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overhead
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   off-Broadway
         n 1: low-budget theaters located outside the Broadway area in
               Manhattan

English Dictionary: overhead by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
off-roader
n
  1. a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
    Synonym(s): mountain bike, all-terrain bike, off-roader
From WordNet (r) 3.0 (2006) [wn]:
offertory
n
  1. the offerings of the congregation at a religious service
  2. the part of the Eucharist when bread and wine are offered to God
From WordNet (r) 3.0 (2006) [wn]:
oophoritis
n
  1. inflammation of one or both ovaries
From WordNet (r) 3.0 (2006) [wn]:
op art
n
  1. a style of abstractionism popular in the 1960s; produces dramatic visual effects with colors and contrasts that are difficult for the eye to resolve
From WordNet (r) 3.0 (2006) [wn]:
opera hat
n
  1. a man's hat with a tall crown; usually covered with silk or with beaver fur
    Synonym(s): dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver
From WordNet (r) 3.0 (2006) [wn]:
opera hood
n
  1. a large cloak worn over evening clothes [syn: {opera cloak}, opera hood]
From WordNet (r) 3.0 (2006) [wn]:
operate
v
  1. direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"
    Synonym(s): operate, run
  2. perform as expected when applied; "The washing machine won't go unless it's plugged in"; "Does this old car still run well?"; "This old radio doesn't work anymore"
    Synonym(s): function, work, operate, go, run
    Antonym(s): malfunction, misfunction
  3. handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever"
    Synonym(s): operate, control
  4. perform a movement in military or naval tactics in order to secure an advantage in attack or defense
    Synonym(s): manoeuver, maneuver, manoeuvre, operate
  5. happen; "What is going on in the minds of the people?"
  6. keep engaged; "engaged the gears"
    Synonym(s): engage, mesh, lock, operate
    Antonym(s): disengage, withdraw
  7. perform surgery on; "The doctors operated on the patient but failed to save his life"
    Synonym(s): operate on, operate
From WordNet (r) 3.0 (2006) [wn]:
operate on
v
  1. perform surgery on; "The doctors operated on the patient but failed to save his life"
    Synonym(s): operate on, operate
From WordNet (r) 3.0 (2006) [wn]:
operatic
adj
  1. of or relating to or characteristic of opera
From WordNet (r) 3.0 (2006) [wn]:
operatic star
n
  1. singer of lead role in an opera [syn: opera star, operatic star]
From WordNet (r) 3.0 (2006) [wn]:
operating
adj
  1. involved in a kind of operation; "the operating conditions of the oxidation pond"
  2. being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
    Synonym(s): operational, in operation(p), operating(a)
From WordNet (r) 3.0 (2006) [wn]:
operating budget
n
  1. a budget for current expenses as distinct from financial transactions or permanent improvements
From WordNet (r) 3.0 (2006) [wn]:
operating capability
n
  1. the capability of a technological system to perform as intended
    Synonym(s): operating capability, performance capability
From WordNet (r) 3.0 (2006) [wn]:
operating capital
n
  1. capital available for the operations of a firm (e.g. manufacturing or transportation) as distinct from financial transactions and long-term improvements
From WordNet (r) 3.0 (2006) [wn]:
operating cost
n
  1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes
    Synonym(s): operating expense, operating cost, overhead, budget items
From WordNet (r) 3.0 (2006) [wn]:
operating expense
n
  1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes
    Synonym(s): operating expense, operating cost, overhead, budget items
From WordNet (r) 3.0 (2006) [wn]:
operating instructions
n
  1. a manual usually accompanying a technical device and explaining how to install or operate it
    Synonym(s): instruction manual, instructions, book of instructions, operating instructions
From WordNet (r) 3.0 (2006) [wn]:
operating microscope
n
  1. binocular microscope used in surgery to provide a clear view of small and inaccessible parts of the body (as in microsurgery)
From WordNet (r) 3.0 (2006) [wn]:
operating procedure
n
  1. a procedure for operating something or for dealing with a given situation
From WordNet (r) 3.0 (2006) [wn]:
operating room
n
  1. a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"
    Synonym(s): operating room, OR, operating theater, operating theatre, surgery
From WordNet (r) 3.0 (2006) [wn]:
operating statement
n
  1. a financial statement that gives operating results for a specific period
    Synonym(s): income statement, earnings report, operating statement, profit-and-loss statement
From WordNet (r) 3.0 (2006) [wn]:
operating surgeon
n
  1. a physician who specializes in surgery [syn: surgeon, operating surgeon, sawbones]
From WordNet (r) 3.0 (2006) [wn]:
operating system
n
  1. (computer science) software that controls the execution of computer programs and may provide various services
    Synonym(s): operating system, OS
From WordNet (r) 3.0 (2006) [wn]:
operating table
n
  1. table on which the patient lies during a surgical operation
From WordNet (r) 3.0 (2006) [wn]:
operating theater
n
  1. a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"
    Synonym(s): operating room, OR, operating theater, operating theatre, surgery
From WordNet (r) 3.0 (2006) [wn]:
operating theatre
n
  1. a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"
    Synonym(s): operating room, OR, operating theater, operating theatre, surgery
From WordNet (r) 3.0 (2006) [wn]:
operation
n
  1. the state of being in effect or being operative; "that rule is no longer in operation"
  2. a business especially one run on a large scale; "a large- scale farming operation"; "a multinational operation"; "they paid taxes on every stage of the operation"; "they had to consolidate their operations"
  3. a planned activity involving many people performing various actions; "they organized a rescue operation"; "the biggest police operation in French history"; "running a restaurant is quite an operation"; "consolidate the companies various operations"
  4. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"
  5. activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"
    Synonym(s): operation, military operation
  6. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"
    Synonym(s): operation, surgery, surgical operation, surgical procedure, surgical process
  7. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work; "the operations in building a house"; "certain machine tool operations"
    Synonym(s): operation, procedure
  8. process or manner of functioning or operating; "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
    Synonym(s): operation, functioning, performance
  9. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering"
    Synonym(s): process, cognitive process, mental process, operation, cognitive operation
  10. (mathematics) calculation by mathematical methods; "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"; "they were learning the basic operations of arithmetic"
    Synonym(s): mathematical process, mathematical operation, operation
  11. the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
From WordNet (r) 3.0 (2006) [wn]:
operation code
n
  1. the portion of a set of operation descriptions that specifies the operation to be performed; the set of operations in a computer
    Synonym(s): operation code, order code
From WordNet (r) 3.0 (2006) [wn]:
Operation Desert Storm
n
  1. the United States and its allies defeated Iraq in a ground war that lasted 100 hours (1991)
From WordNet (r) 3.0 (2006) [wn]:
operational
adj
  1. pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
  2. fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order"
    Synonym(s): functional, usable, useable, operable, operational
  3. (military) of or intended for or involved in military operations
    Antonym(s): inactive, nonoperational
  4. being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
    Synonym(s): operational, in operation(p), operating(a)
From WordNet (r) 3.0 (2006) [wn]:
operational casualty
n
  1. loss of military equipment in field operations [syn: operational damage, operational casualty]
From WordNet (r) 3.0 (2006) [wn]:
operational cell
n
  1. a terrorist cell that performs clandestine activities
From WordNet (r) 3.0 (2006) [wn]:
operational damage
n
  1. loss of military equipment in field operations [syn: operational damage, operational casualty]
From WordNet (r) 3.0 (2006) [wn]:
operationalism
n
  1. (philosophy) the doctrine that the meaning of a proposition consists of the operations involved in proving or applying it
From WordNet (r) 3.0 (2006) [wn]:
operationalist
adj
  1. of or relating to or espousing operationalism; "operationalist doctrine"
From WordNet (r) 3.0 (2006) [wn]:
operationally
adv
  1. in respect to operation; "reported the machine operationally satisfactory"; "a well-trained staff that is operationally adequate"
From WordNet (r) 3.0 (2006) [wn]:
operations
n
  1. financial transactions at a brokerage; having to do with the execution of trades and keeping customer records
    Synonym(s): operations, trading operations
From WordNet (r) 3.0 (2006) [wn]:
operations research
n
  1. research designed to determine most efficient way to do something
From WordNet (r) 3.0 (2006) [wn]:
operative
adj
  1. being in force or having or exerting force; "operative regulations"; "the major tendencies operative in the American political system"
    Antonym(s): inoperative
  2. relating to or requiring or amenable to treatment by surgery especially as opposed to medicine; "a surgical appendix"; "a surgical procedure"; "operative dentistry"
    Synonym(s): surgical, operative
    Antonym(s): medical
  3. effective; producing a desired effect; "the operative word"
  4. (of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes"
    Synonym(s): running(a), operative, functional, working(a)
n
  1. a person secretly employed in espionage for a government
    Synonym(s): secret agent, intelligence officer, intelligence agent, operative
  2. someone who can be employed as a detective to collect information
    Synonym(s): private detective, PI, private eye, private investigator, operative, shamus, sherlock
From WordNet (r) 3.0 (2006) [wn]:
operative field
n
  1. the area that is open during surgery
From WordNet (r) 3.0 (2006) [wn]:
operatively
adv
  1. in a manner to produce an effect
From WordNet (r) 3.0 (2006) [wn]:
operator
n
  1. (mathematics) a symbol or function representing a mathematical operation
  2. an agent that operates some apparatus or machine; "the operator of the switchboard"
    Synonym(s): operator, manipulator
  3. someone who owns or operates a business; "who is the operator of this franchise?"
  4. a shrewd or unscrupulous person who knows how to circumvent difficulties
    Synonym(s): hustler, wheeler dealer, operator
  5. a speculator who trades aggressively on stock or commodity markets
From WordNet (r) 3.0 (2006) [wn]:
operator gene
n
  1. a gene that activates the production of messenger RNA by adjacent structural genes
From WordNet (r) 3.0 (2006) [wn]:
operetta
n
  1. a short amusing opera
    Synonym(s): operetta, light opera
From WordNet (r) 3.0 (2006) [wn]:
Ophiurida
n
  1. brittle stars
    Synonym(s): Ophiurida, subclass Ophiurida
From WordNet (r) 3.0 (2006) [wn]:
Ophiuroidea
n
  1. brittle stars and basket stars [syn: Ophiuroidea, {class Ophiuroidea}]
From WordNet (r) 3.0 (2006) [wn]:
Oporto
n
  1. port city in northwest Portugal; noted for port wine [syn: Porto, Oporto]
From WordNet (r) 3.0 (2006) [wn]:
opportune
adj
  1. suitable or at a time that is suitable or advantageous especially for a particular purpose; "an opportune place to make camp"; "an opportune arrival"
    Antonym(s): inopportune
From WordNet (r) 3.0 (2006) [wn]:
opportunely
adv
  1. at an opportune time; "he arrived rather opportunely just when we needed a new butler"
    Antonym(s): inopportunely, malapropos
From WordNet (r) 3.0 (2006) [wn]:
opportuneness
n
  1. timely convenience [syn: opportuneness, patness, timeliness]
    Antonym(s): inopportuneness, untimeliness
From WordNet (r) 3.0 (2006) [wn]:
opportunism
n
  1. taking advantage of opportunities without regard for the consequences for others
    Synonym(s): opportunism, self- interest, self-seeking, expedience
From WordNet (r) 3.0 (2006) [wn]:
opportunist
adj
  1. taking immediate advantage, often unethically, of any circumstance of possible benefit
    Synonym(s): opportunist, opportunistic, timeserving
n
  1. a person who places expediency above principle [syn: opportunist, self-seeker]
From WordNet (r) 3.0 (2006) [wn]:
opportunistic
adj
  1. taking immediate advantage, often unethically, of any circumstance of possible benefit
    Synonym(s): opportunist, opportunistic, timeserving
From WordNet (r) 3.0 (2006) [wn]:
opportunistic infection
n
  1. any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs)
From WordNet (r) 3.0 (2006) [wn]:
opportunity
n
  1. a possibility due to a favorable combination of circumstances; "the holiday gave us the opportunity to visit Washington"; "now is your chance"
    Synonym(s): opportunity, chance
From WordNet (r) 3.0 (2006) [wn]:
opportunity cost
n
  1. cost in terms of foregoing alternatives
From WordNet (r) 3.0 (2006) [wn]:
ovaritis
n
  1. inflammation of the ovaries
From WordNet (r) 3.0 (2006) [wn]:
over the counter security
n
  1. a security traded in the over-the-counter market [syn: unlisted security, over the counter security, OTC security]
    Antonym(s): listed security
From WordNet (r) 3.0 (2006) [wn]:
over the counter stock
n
  1. stock that is not listed and traded on an organized exchange
    Synonym(s): over the counter stock, OTC stock, unlisted stock
From WordNet (r) 3.0 (2006) [wn]:
over-the-counter
adj
  1. purchasable without a doctor's prescription; "nonprescription drugs"; "an over-the-counter cold remedy"
    Synonym(s): nonprescription(a), over-the- counter(a)
    Antonym(s): prescription(a)
  2. (of securities) not traded on a stock exchange; "over-the- counter stocks"
    Synonym(s): over-the-counter, otc
From WordNet (r) 3.0 (2006) [wn]:
over-the-counter drug
n
  1. a drug that is sold without a prescription [syn: {over-the- counter drug}, over-the-counter medicine]
    Antonym(s): ethical drug, prescription, prescription drug, prescription medicine
From WordNet (r) 3.0 (2006) [wn]:
over-the-counter market
n
  1. a stock exchange where securities transactions are made via telephone and computer rather than on the floor of an exchange
    Synonym(s): over-the-counter market, OTC market
From WordNet (r) 3.0 (2006) [wn]:
over-the-counter medicine
n
  1. a drug that is sold without a prescription [syn: {over-the- counter drug}, over-the-counter medicine]
    Antonym(s): ethical drug, prescription, prescription drug, prescription medicine
From WordNet (r) 3.0 (2006) [wn]:
over-the-hill
adj
  1. too old to be useful; "He left the house...for the support of twelve superannuated wool carders"- Anthony Trollope
    Synonym(s): overage, overaged, superannuated, over-the-hill
From WordNet (r) 3.0 (2006) [wn]:
over-the-shoulder bombing
n
  1. a special case of loft bombing in which the bomb is released past the vertical so it is tossed back to the target
From WordNet (r) 3.0 (2006) [wn]:
over-the-top
adj
  1. far more than usual or expected; "an extraordinary desire for approval"; "it was an over-the-top experience"
    Synonym(s): extraordinary, over-the-top, sinful
From WordNet (r) 3.0 (2006) [wn]:
overawed
adj
  1. overcome by a feeling of awe
From WordNet (r) 3.0 (2006) [wn]:
overdelicate
adj
  1. extremely delicate; "an overdelicate digestive system"
From WordNet (r) 3.0 (2006) [wn]:
overdo
v
  1. do something to an excessive degree; "He overdid it last night when he did 100 pushups"
    Synonym(s): overdo, exaggerate
From WordNet (r) 3.0 (2006) [wn]:
overdone
adj
  1. represented as greater than is true or reasonable; "an exaggerated opinion of oneself"
    Synonym(s): exaggerated, overdone, overstated
  2. cooked too long but still edible
From WordNet (r) 3.0 (2006) [wn]:
overdose
v
  1. dose too heavily; "The rock star overdosed and was found dead in his hotel room"
    Synonym(s): overdose, o.d.
From WordNet (r) 3.0 (2006) [wn]:
overdraft
n
  1. a draft in excess of the credit balance
From WordNet (r) 3.0 (2006) [wn]:
overdraft credit
n
  1. credit provided by a bank in honoring a customer's overdrafts
    Synonym(s): overdraft credit, check overdraft credit
From WordNet (r) 3.0 (2006) [wn]:
overdramatise
v
  1. present in an overly dramatic manner; "She is overdramatizing her child's failure in the physics class"
    Synonym(s): overdramatize, overdramatise
From WordNet (r) 3.0 (2006) [wn]:
overdramatize
v
  1. present in an overly dramatic manner; "She is overdramatizing her child's failure in the physics class"
    Synonym(s): overdramatize, overdramatise
From WordNet (r) 3.0 (2006) [wn]:
overdraw
v
  1. draw more money from than is available; "She overdrew her account"
  2. to enlarge beyond bounds or the truth; "tended to romanticize and exaggerate this `gracious Old South' imagery"
    Synonym(s): overstate, exaggerate, overdraw, hyperbolize, hyperbolise, magnify, amplify
    Antonym(s): downplay, minimise, minimize, understate
From WordNet (r) 3.0 (2006) [wn]:
overdress
v
  1. dress too warmly; "You should not overclothe the child--she will be too hot"
    Synonym(s): overdress, overclothe
    Antonym(s): underdress
  2. put on special clothes to appear particularly appealing and attractive; "She never dresses up, even when she goes to the opera"; "The young girls were all fancied up for the party"
    Synonym(s): overdress, dress up, fig out, fig up, deck up, gussy up, fancy up, trick up, deck out, trick out, prink, attire, get up, rig out, tog up, tog out
    Antonym(s): dress down, underdress
From WordNet (r) 3.0 (2006) [wn]:
overdressed
adj
  1. dressed too elaborately
From WordNet (r) 3.0 (2006) [wn]:
overdrive
n
  1. the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive"
  2. a high gear used at high speeds to maintain the driving speed with less output power
v
  1. drive or work too hard; "The teacher is overworking his students"; "Overdriving people often suffer stress"
  2. make use of too often or too extensively
    Synonym(s): overuse, overdrive
From WordNet (r) 3.0 (2006) [wn]:
overdue
adj
  1. past due; not paid at the scheduled time; "an overdue installment"; "a delinquent account"
    Synonym(s): delinquent, overdue
From WordNet (r) 3.0 (2006) [wn]:
overeat
v
  1. overeat or eat immodestly; make a pig of oneself; "She stuffed herself at the dinner"; "The kids binged on ice cream"
    Synonym(s): gorge, ingurgitate, overindulge, glut, englut, stuff, engorge, overgorge, overeat, gormandize, gormandise, gourmandize, binge, pig out, satiate, scarf out
From WordNet (r) 3.0 (2006) [wn]:
overeating
n
  1. eating to excess (personified as one of the deadly sins)
    Synonym(s): gluttony, overeating, gula
From WordNet (r) 3.0 (2006) [wn]:
overhead
adv
  1. above your head; in the sky; "planes were flying overhead"
  2. above the head; over the head; "bring the legs together overhead"
adj
  1. located or originating from above; "an overhead crossing"
    Antonym(s): subsurface, surface
n
  1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes
    Synonym(s): operating expense, operating cost, overhead, budget items
  2. (computer science) the processing time required by a device prior to the execution of a command
    Synonym(s): command processing overhead time, command processing overhead, command overhead, overhead
  3. (computer science) the disk space required for information that is not data but is used for location and timing
    Synonym(s): disk overhead, overhead
  4. a transparency for use with an overhead projector
    Synonym(s): viewgraph, overhead
  5. (nautical) the top surface of an enclosed space on a ship
  6. a hard return hitting the tennis ball above your head
    Synonym(s): overhead, smash
From WordNet (r) 3.0 (2006) [wn]:
overhead projector
n
  1. a projector operated by a speaker; projects the image over the speaker's head
From WordNet (r) 3.0 (2006) [wn]:
overhead railway
n
  1. a railway that is powered by electricity and that runs on a track that is raised above the street level
    Synonym(s): elevated railway, elevated railroad, elevated, el, overhead railway
From WordNet (r) 3.0 (2006) [wn]:
overheat
v
  1. get excessively and undesirably hot; "The car engines overheated"
  2. make excessively or undesirably hot; "The room was overheated"
From WordNet (r) 3.0 (2006) [wn]:
overheated
adj
  1. heated beyond a safe or desirable point; "the child became overheated"; "overheated metal"
From WordNet (r) 3.0 (2006) [wn]:
overheating
n
  1. excessive heating
From WordNet (r) 3.0 (2006) [wn]:
overrate
v
  1. make too high an estimate of; "He overestimated his own powers"
    Synonym(s): overestimate, overrate
    Antonym(s): underestimate, underrate
From WordNet (r) 3.0 (2006) [wn]:
overrating
n
  1. a calculation that results in an estimate that is too high
    Synonym(s): overestimate, overestimation, overrating, overreckoning
From WordNet (r) 3.0 (2006) [wn]:
override
n
  1. a manually operated device to correct the operation of an automatic device
  2. the act of nullifying; making null and void; counteracting or overriding the effect or force of something
    Synonym(s): nullification, override
v
  1. rule against; "The Republicans were overruled when the House voted on the bill"
    Synonym(s): overrule, overturn, override, overthrow, reverse
  2. prevail over; "health considerations override financial concerns"
  3. counteract the normal operation of (an automatic gear shift in a vehicle)
  4. ride (a horse) too hard
From WordNet (r) 3.0 (2006) [wn]:
overriding
adj
  1. having superior power and influence; "the predominant mood among policy-makers is optimism"
    Synonym(s): overriding, paramount, predominant, predominate, preponderant, preponderating
From WordNet (r) 3.0 (2006) [wn]:
overt
adj
  1. open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots"
    Synonym(s): overt, open
    Antonym(s): covert
From WordNet (r) 3.0 (2006) [wn]:
overt operation
n
  1. the collection of intelligence openly without concealment
From WordNet (r) 3.0 (2006) [wn]:
overtake
v
  1. catch up with and possibly overtake; "The Rolls Royce caught us near the exit ramp"
    Synonym(s): overtake, catch, catch up with
  2. travel past; "The sports car passed all the trucks"
    Synonym(s): pass, overtake, overhaul
  3. overcome, as with emotions or perceptual stimuli
    Synonym(s): overwhelm, overpower, sweep over, whelm, overcome, overtake
From WordNet (r) 3.0 (2006) [wn]:
overtaking
n
  1. going by something that is moving in order to get in front of it; "she drove but well but her reckless passing of every car on the road frightened me"
    Synonym(s): passing, overtaking
From WordNet (r) 3.0 (2006) [wn]:
overtax
v
  1. tax excessively; "Don't overtax my constituents!"
From WordNet (r) 3.0 (2006) [wn]:
overthrow
n
  1. the termination of a ruler or institution (especially by force)
  2. the act of disturbing the mind or body; "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"
    Synonym(s): upset, derangement, overthrow
v
  1. cause the downfall of; of rulers; "The Czar was overthrown"; "subvert the ruling class"
    Synonym(s): overthrow, subvert, overturn, bring down
  2. rule against; "The Republicans were overruled when the House voted on the bill"
    Synonym(s): overrule, overturn, override, overthrow, reverse
From WordNet (r) 3.0 (2006) [wn]:
overthrust fault
n
  1. a geological fault in which the upper side appears to have been pushed upward by compression
    Synonym(s): thrust fault, overthrust fault, reverse fault
From WordNet (r) 3.0 (2006) [wn]:
overtime
adv
  1. beyond the regular time; "she often has to work overtime"
n
  1. work done in addition to regular working hours
  2. playing time beyond regulation, to break a tie
    Synonym(s): overtime, extra time
    Antonym(s): regulation time
From WordNet (r) 3.0 (2006) [wn]:
overtime period
n
  1. a period of overtime play to resolve a tie; e.g. basketball
From WordNet (r) 3.0 (2006) [wn]:
overtire
v
  1. tire excessively [syn: overtire, overweary, overfatigue]
From WordNet (r) 3.0 (2006) [wn]:
overtly
adv
  1. in an overt manner; "he did it overtly"
    Antonym(s): covertly
From WordNet (r) 3.0 (2006) [wn]:
overtolerance
n
  1. too much permissiveness
From WordNet (r) 3.0 (2006) [wn]:
overtone
n
  1. (usually plural) an ulterior implicit meaning or quality; "overtones of despair"
  2. a harmonic with a frequency that is a multiple of the fundamental frequency
    Synonym(s): overtone, partial, partial tone
From WordNet (r) 3.0 (2006) [wn]:
overtop
v
  1. look down on; "The villa dominates the town" [syn: dominate, command, overlook, overtop]
From WordNet (r) 3.0 (2006) [wn]:
overtrump
v
  1. play a trump higher than (one previously played) to the trick
From WordNet (r) 3.0 (2006) [wn]:
overture
n
  1. orchestral music played at the beginning of an opera or oratorio
  2. something that serves as a preceding event or introduces what follows; "training is a necessary preliminary to employment"; "drinks were the overture to dinner"
    Synonym(s): preliminary, overture, prelude
  3. a tentative suggestion designed to elicit the reactions of others; "she rejected his advances"
    Synonym(s): overture, advance, approach, feeler
From WordNet (r) 3.0 (2006) [wn]:
overturn
n
  1. the act of upsetting something; "he was badly bruised by the upset of his sled at a high speed"
    Synonym(s): upset, overturn, turnover
  2. an improbable and unexpected victory; "the biggest upset since David beat Goliath"
    Synonym(s): overturn, upset
v
  1. turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over"
    Synonym(s): overturn, turn over, tip over, tump over
  2. cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"; "he tumped over his beer"
    Synonym(s): overturn, tip over, turn over, upset, knock over, bowl over, tump over
  3. rule against; "The Republicans were overruled when the House voted on the bill"
    Synonym(s): overrule, overturn, override, overthrow, reverse
  4. cause the downfall of; of rulers; "The Czar was overthrown"; "subvert the ruling class"
    Synonym(s): overthrow, subvert, overturn, bring down
  5. cancel officially; "He revoked the ban on smoking"; "lift an embargo"; "vacate a death sentence"
    Synonym(s): revoke, annul, lift, countermand, reverse, repeal, overturn, rescind, vacate
  6. change radically; "E-mail revolutionized communication in academe"
    Synonym(s): revolutionize, revolutionise, overturn
From WordNet (r) 3.0 (2006) [wn]:
overturned
adj
  1. having been turned so that the bottom is no longer the bottom; "an overturned car"; "the upset pitcher of milk"; "sat on an upturned bucket"
    Synonym(s): overturned, upset, upturned
From WordNet (r) 3.0 (2006) [wn]:
overutilisation
n
  1. exploitation to the point of diminishing returns [syn: overexploitation, overuse, overutilization, overutilisation]
From WordNet (r) 3.0 (2006) [wn]:
overutilization
n
  1. exploitation to the point of diminishing returns [syn: overexploitation, overuse, overutilization, overutilisation]
From WordNet (r) 3.0 (2006) [wn]:
Ovrette
n
  1. trade name for an oral contraceptive containing norgestrel
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8O94phoridium \[d8]O`[94]*pho*rid"i*um\, n.; pl. L.
      {O[94]phorida}, E. {O[94]phoridiums}. [NL., dim. fr. Gr. [?].
      See {O[94]phore}.] (Bot.)
      The macrosporangium or case for the larger kind of spores in
      heterosporous flowerless plants.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8O94phoridium \[d8]O`[94]*pho*rid"i*um\, n.; pl. L.
      {O[94]phorida}, E. {O[94]phoridiums}. [NL., dim. fr. Gr. [?].
      See {O[94]phore}.] (Bot.)
      The macrosporangium or case for the larger kind of spores in
      heterosporous flowerless plants.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Oberration \Ob`er*ra"tion\, n. [L. oberrate to wander about.]
      A wandering about. [Obs.] --Jonhson.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Obvert \Ob*vert"\, v. t. [imp. & p. p. {Obverted}; p. pr. & vb.
      n. {Obverting}.] [L. obvertere; ob (see {Ob-}) + vertere to
      turn. See {Verse}.]
      To turn toward.
  
               If its base be obverted towards us.         --I. Watts.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Obvert \Ob*vert"\, v. t. [imp. & p. p. {Obverted}; p. pr. & vb.
      n. {Obverting}.] [L. obvertere; ob (see {Ob-}) + vertere to
      turn. See {Verse}.]
      To turn toward.
  
               If its base be obverted towards us.         --I. Watts.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Obvert \Ob*vert"\, v. t. [imp. & p. p. {Obverted}; p. pr. & vb.
      n. {Obverting}.] [L. obvertere; ob (see {Ob-}) + vertere to
      turn. See {Verse}.]
      To turn toward.
  
               If its base be obverted towards us.         --I. Watts.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Virtu \Vir*tu"\ (?; 277), n. [It. virt[97] virtue, excellence,
      from L. virtus. See {Virtue}.]
      A love of the fine arts; a taste for curiosities. --J.
      Spence.
  
      {An article}, [or] {piece}, {of virtu}, an object of art or
            antiquity; a curiosity, such as those found in museums or
            private collections.
  
                     I had thoughts, in my chambers to place it in view,
                     To be shown to my friends as a piece of virt[97].
                                                                              --Goldsmith.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Lead \Lead\, v. i.
      1. To guide or conduct, as by accompanying, going before,
            showing, influencing, directing with authority, etc.; to
            have precedence or pre[89]minence; to be first or chief;
            -- used in most of the senses of lead, v. t.
  
      2. To tend or reach in a certain direction, or to a certain
            place; as, the path leads to the mill; gambling leads to
            other vices.
  
                     The mountain foot that leads towards Mantua. --Shak.
  
      {To lead} {off [or] out}, to go first; to begin.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Offer \Of"fer\, v. t. [imp. & p. p. {Offered}; p. pr. & vb. n.
      {Offering}.] [OE. offren, {AS}. offrian to sacrifice, fr. L.
      offerre; ob (see {OB-}) + ferre to bear, bring. The English
      word was influenced by F. offrir to offer, of the same
      origin. See 1st {Bear}.]
      1. To present, as an act of worship; to immolate; to
            sacrifice; to present in prayer or devotion; -- often with
            up.
  
                     Thou shalt offer every day a bullock for a sin
                     offering for atonement.                     --Ex. xxix.
                                                                              36.
  
                     A holy priesthood to offer up spiritual sacrifices.
                                                                              --1 Pet. ii.
                                                                              5.
  
      2. To bring to or before; to hold out to; to present for
            acceptance or rejection; as, to offer a present, or a
            bribe; to offer one's self in marriage.
  
                     I offer thee three things.                  --2 Sam. xxiv.
                                                                              12.
  
      3. To present in words; to proffer; to make a proposal of; to
            suggest; as, to offer an opinion. With the infinitive as
            an objective: To make an offer; to declare one's
            willingness; as, he offered to help me.
  
      4. To attempt; to undertake.
  
                     All that offer to defend him.            --Shak.
  
      5. To bid, as a price, reward, or wages; as, to offer a
            guinea for a ring; to offer a salary or reward.
  
      6. To put in opposition to; to manifest in an offensive way;
            to threaten; as, to offer violence, attack, etc.
  
      Syn: To propose; propound; move; proffer; tender; sacrifice;
               immolate.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Offertory \Of"fer*to*ry\, n.; pl. {Offertories} . [L.
      offertorium the place to which offerings were brought, in LL.
      offertory: cf.F. offertoire.]
      1. The act of offering, or the thing offered. [Obs. or R.]
            --Bacon. Bp. Fell.
  
      2. (R.C.Ch.)
            (a) An anthem chanted, or a voluntary played on the organ,
                  during the offering and first part of the Mass.
            (b) That part of the Mass which the priest reads before
                  uncovering the chalice to offer up the elements for
                  consecration.
            (c) The oblation of the elements.
  
      3. (Ch. of Eng. & Prot. Epis. Ch.)
            (a) The Scripture sentences said or sung during the
                  collection of the offerings.
            (b) The offerings themselves.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Offertory \Of"fer*to*ry\, n.; pl. {Offertories} . [L.
      offertorium the place to which offerings were brought, in LL.
      offertory: cf.F. offertoire.]
      1. The act of offering, or the thing offered. [Obs. or R.]
            --Bacon. Bp. Fell.
  
      2. (R.C.Ch.)
            (a) An anthem chanted, or a voluntary played on the organ,
                  during the offering and first part of the Mass.
            (b) That part of the Mass which the priest reads before
                  uncovering the chalice to offer up the elements for
                  consecration.
            (c) The oblation of the elements.
  
      3. (Ch. of Eng. & Prot. Epis. Ch.)
            (a) The Scripture sentences said or sung during the
                  collection of the offerings.
            (b) The offerings themselves.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Offerture \Of"fer*ture\, n. [LL. offertura an offering.]
      Offer; proposal; overture. [Obs.]
  
               More offertures and advantages to his crown. --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opera \Op"er*a\, n. [It., fr. opera work, composition, opposed
      to an improvisation, fr. L. opera pains work, fr. opus,
      operis, work, labor: cf. F. op[82]ra. See {Operate}.]
      1. A drama, either tragic or comic, of which music forms an
            essential part; a drama wholly or mostly sung, consisting
            of recitative, arials, choruses, duets, trios, etc., with
            orchestral accompaniment, preludes, and interludes,
            together with appropriate costumes, scenery, and action; a
            lyric drama.
  
      2. The score of a musical drama, either written or in print;
            a play set to music.
  
      3. The house where operas are exhibited.
  
      {[d8]Op[82]ra bouffe} [F. op[82]ra opera + bouffe comic, It.
            buffo], {[d8]Opera buffa} [It.], light, farcical,
            burlesque opera.
  
      {Opera box}, a partially inclosed portion of the auditorium
            of an opera house for the use of a small private party.
  
      {[d8]Op[82]ra comique} [F.], comic or humorous opera.
  
      {Opera flannel}, a light flannel, highly finished. --Knight.
  
      {Opera girl} (Bot.), an East Indian plant ({Mantisia
            saltatoria}) of the Ginger family, sometimes seen in
            hothouses. It has curious flowers which have some
            resemblance to a ballet dancer, whence the popular name.
            Called also {dancing girls}.
  
      {Opera glass}, a short telescope with concave eye lenses of
            low power, usually made double, that is, with a tube and
            set of glasses for each eye; a lorgnette; -- so called
            because adapted for use at the opera, theater, etc.
  
      {Opera hat}, a gentleman's folding hat.
  
      {Opera house}, specifically, a theater devoted to the
            performance of operas.
  
      {[d8]Opera seria} [It.], serious or tragic opera; grand
            opera.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operate \Op"er*ate\, v. t.
      1. To produce, as an effect; to cause.
  
                     The same cause would operate a diminution of the
                     value of stock.                                 --A. Hamilton.
  
      2. To put into, or to continue in, operation or activity; to
            work; as, to operate a machine.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operate \Op"er*ate\, v. i. [imp. & p. p. {Operated}; p. pr. &
      vb. n. {Operating}.] [L. operatus, p. p. of operari to work,
      fr. opus, operis, work, labor; akin to Skr. apas, and also to
      G. [81]ben to exercise, OHG. uoben, Icel. [?]fa. Cf. {Inure},
      {Maneuver}, {Ure}.]
      1. To perform a work or labor; to exert power or strengh,
            physical or mechanical; to act.
  
      2. To produce an appropriate physical effect; to issue in the
            result designed by nature; especially (Med.), to take
            appropriate effect on the human system.
  
      3. To act or produce effect on the mind; to exert moral power
            or influence.
  
                     The virtues of private persons operate but on a few.
                                                                              --Atterbury.
  
                     A plain, convincing reason operates on the mind both
                     of a learned and ignorant hearer as long as they
                     live.                                                --Swift.
  
      4. (Surg.) To perform some manual act upon a human body in a
            methodical manner, and usually with instruments, with a
            view to restore soundness or health, as in amputation,
            lithotomy, etc.
  
      5. To deal in stocks or any commodity with a view to
            speculative profits. [Brokers' Cant]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operate \Op"er*ate\, v. i. [imp. & p. p. {Operated}; p. pr. &
      vb. n. {Operating}.] [L. operatus, p. p. of operari to work,
      fr. opus, operis, work, labor; akin to Skr. apas, and also to
      G. [81]ben to exercise, OHG. uoben, Icel. [?]fa. Cf. {Inure},
      {Maneuver}, {Ure}.]
      1. To perform a work or labor; to exert power or strengh,
            physical or mechanical; to act.
  
      2. To produce an appropriate physical effect; to issue in the
            result designed by nature; especially (Med.), to take
            appropriate effect on the human system.
  
      3. To act or produce effect on the mind; to exert moral power
            or influence.
  
                     The virtues of private persons operate but on a few.
                                                                              --Atterbury.
  
                     A plain, convincing reason operates on the mind both
                     of a learned and ignorant hearer as long as they
                     live.                                                --Swift.
  
      4. (Surg.) To perform some manual act upon a human body in a
            methodical manner, and usually with instruments, with a
            view to restore soundness or health, as in amputation,
            lithotomy, etc.
  
      5. To deal in stocks or any commodity with a view to
            speculative profits. [Brokers' Cant]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operatic \Op`er**at"ic\, Operatical \Op`er*at"ic*al\, a.
      Of or pertaining to the opera or to operas; characteristic
      of, or resembling, the opera.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operatic \Op`er**at"ic\, Operatical \Op`er*at"ic*al\, a.
      Of or pertaining to the opera or to operas; characteristic
      of, or resembling, the opera.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operate \Op"er*ate\, v. i. [imp. & p. p. {Operated}; p. pr. &
      vb. n. {Operating}.] [L. operatus, p. p. of operari to work,
      fr. opus, operis, work, labor; akin to Skr. apas, and also to
      G. [81]ben to exercise, OHG. uoben, Icel. [?]fa. Cf. {Inure},
      {Maneuver}, {Ure}.]
      1. To perform a work or labor; to exert power or strengh,
            physical or mechanical; to act.
  
      2. To produce an appropriate physical effect; to issue in the
            result designed by nature; especially (Med.), to take
            appropriate effect on the human system.
  
      3. To act or produce effect on the mind; to exert moral power
            or influence.
  
                     The virtues of private persons operate but on a few.
                                                                              --Atterbury.
  
                     A plain, convincing reason operates on the mind both
                     of a learned and ignorant hearer as long as they
                     live.                                                --Swift.
  
      4. (Surg.) To perform some manual act upon a human body in a
            methodical manner, and usually with instruments, with a
            view to restore soundness or health, as in amputation,
            lithotomy, etc.
  
      5. To deal in stocks or any commodity with a view to
            speculative profits. [Brokers' Cant]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operation \Op`er*a"tion\, n. [L. operatio: cf. F. op[82]ration.]
      1. The act or process of operating; agency; the exertion of
            power, physical, mechanical, or moral.
  
                     The pain and sickness caused by manna are the
                     effects of its operation on the stomach. --Locke.
  
                     Speculative painting, without the assistance of
                     manual operation, can never attain to perfection.
                                                                              --Dryden.
  
      2. The method of working; mode of action.
  
      3. That which is operated or accomplished; an effect brought
            about in accordance with a definite plan; as, military or
            naval operations.
  
      4. Effect produced; influence. [Obs.]
  
                     The bards . . . had great operation on the vulgar.
                                                                              --Fuller.
  
      5. (Math.) Something to be done; some transformation to be
            made upon quantities, the transformation being indicated
            either by rules or symbols.
  
      6. (Surg.) Any methodical action of the hand, or of the hand
            with instruments, on the human body, to produce a curative
            or remedial effect, as in amputation, etc.
  
      {Calculus of operations}. See under {Calculus}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operative \Op"er*a*tive\, a. [Cf.L. operativus, F. op[82]ratif.]
      1. Having the power of acting; hence, exerting force,
            physical or moral; active in the production of effects;
            as, an operative motive.
  
                     It holds in all operative principles. --South.
  
      2. Producing the appropriate or designed effect; efficacious;
            as, an operative dose, rule, or penalty.
  
      3. (Surg.) Based upon, or consisting of, an operation or
            operations; as, operative surgery.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operative \Op"er*a*tive\, n.
      A skilled worker; an artisan; esp., one who operates a
      machine in a mill or manufactory.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operatively \Op"er*a*tive*ly\, adv.
      In an operative manner.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operator \Op"er*a`tor\, n. [L.]
      1. One who, or that which, operates or produces an effect.
  
      2. (Surg.) One who performs some act upon the human body by
            means of the hand, or with instruments.
  
      3. A dealer in stocks or any commodity for speculative
            purposes; a speculator. [Brokers' Cant]
  
      4. (Math.) The symbol that expresses the operation to be
            performed; -- called also {facient}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operatory \Op"er*a*to*ry\, n.
      A laboratory. [Obs.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Operetta \Op`er*et"ta\, n. [It., dim. of opera.] (Mus.)
      A short, light, musical drama.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opertaneous \Op`er*ta"ne*ous\, a. [L. opertaneus; operire to
      hide.]
      Concealed; private. [R.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ophiurid \O`phi*u"rid\, n. (Zo[94]l.)
      Same as {Ophiurioid}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8Ophiurioidea \[d8]O`phi*u`ri*oi"de*a\, d8Ophiuroidea
   \[d8]O`phi*u*roi"de*a\, n. pl. [NL., fr. Gr. [?] serpent + [?]
      tail + [?] form.] (Zo[94]l.)
      A class of star-shaped echinoderms having a disklike body,
      with slender, articulated arms, which are not grooved beneath
      and are often very fragile; -- called also {Ophiuroida} and
      {Ophiuridea}. See Illust. under {Brittle star}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ophiurioid \O`phi*u"ri*oid\, a. (Zo[94]l.)
      Of or pertaining to the Ophiurioidea. -- n. One of the
      Ophiurioidea. [Written also {ophiuroid}.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ophiurioid \O`phi*u"ri*oid\, a. (Zo[94]l.)
      Of or pertaining to the Ophiurioidea. -- n. One of the
      Ophiurioidea. [Written also {ophiuroid}.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8Ophiurioidea \[d8]O`phi*u`ri*oi"de*a\, d8Ophiuroidea
   \[d8]O`phi*u*roi"de*a\, n. pl. [NL., fr. Gr. [?] serpent + [?]
      tail + [?] form.] (Zo[94]l.)
      A class of star-shaped echinoderms having a disklike body,
      with slender, articulated arms, which are not grooved beneath
      and are often very fragile; -- called also {Ophiuroida} and
      {Ophiuridea}. See Illust. under {Brittle star}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportune \Op`por*tune"\, a. [F. opporiun, L. opportunus, lit.,
      at or before the port; ob (see {Ob-}) + a derivative of
      portus port, harbor. See {Port} harbor.]
      Convenient; ready; hence, seasonable; timely. --Milton.
  
               This is most opportune to our need.         --Shak.
      -- {Op`por*tune"ly}, adv. -- {Op`por*tune"ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportune \Op`por*tune"\, v. t.
      To suit. [Obs.] --Dr. Clerke(1637).

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportune \Op`por*tune"\, a. [F. opporiun, L. opportunus, lit.,
      at or before the port; ob (see {Ob-}) + a derivative of
      portus port, harbor. See {Port} harbor.]
      Convenient; ready; hence, seasonable; timely. --Milton.
  
               This is most opportune to our need.         --Shak.
      -- {Op`por*tune"ly}, adv. -- {Op`por*tune"ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportune \Op`por*tune"\, a. [F. opporiun, L. opportunus, lit.,
      at or before the port; ob (see {Ob-}) + a derivative of
      portus port, harbor. See {Port} harbor.]
      Convenient; ready; hence, seasonable; timely. --Milton.
  
               This is most opportune to our need.         --Shak.
      -- {Op`por*tune"ly}, adv. -- {Op`por*tune"ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportunism \Op`por*tun"ism\, n. [Cf. F. opportunisme.]
      The art or practice of taking advantage of opportunities or
      circumstances, or of seeking immediate advantage with little
      regard for ultimate consequences. [Recent]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportunist \Op`por*tun"ist\, n. [Cf. F. opportuniste.]
      One who advocates or practices opportunism. [Recent]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportunity \Op`por*tu"ni*ty\, n.; pl. {Opportunities}. [F.
      opportunit[82], L. opportunitas. See {Opportune}.]
      1. Fit or convenient time; a time or place favorable for
            executing a purpose; a suitable combination of conditions;
            suitable occasion; chance.
  
                     A wise man will make more opportunities than he
                     finds.                                                --Bacon.
  
      2. Convenience of situation; fitness. [Obs.]
  
                     Hull, a town of great strength and opportunity, both
                     to sea and land affairs.                     --Milton.
  
      3. Importunity; earnestness. [Obs.] --Jer. Taylor.
  
      Syn: Occasion; convenience; occurrence.
  
      Usage: {Opportunity}, {Occasion}. An occasion is that which
                  falls in our way, or presents itself in the course of
                  events; an opportunity is a convenience or fitness of
                  time, place, etc., for the doing of a thing. Hence,
                  occasions often make opportunities. The occasion of
                  sickness may give opportunity for reflection.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Opportunity \Op`por*tu"ni*ty\, n.; pl. {Opportunities}. [F.
      opportunit[82], L. opportunitas. See {Opportune}.]
      1. Fit or convenient time; a time or place favorable for
            executing a purpose; a suitable combination of conditions;
            suitable occasion; chance.
  
                     A wise man will make more opportunities than he
                     finds.                                                --Bacon.
  
      2. Convenience of situation; fitness. [Obs.]
  
                     Hull, a town of great strength and opportunity, both
                     to sea and land affairs.                     --Milton.
  
      3. Importunity; earnestness. [Obs.] --Jer. Taylor.
  
      Syn: Occasion; convenience; occurrence.
  
      Usage: {Opportunity}, {Occasion}. An occasion is that which
                  falls in our way, or presents itself in the course of
                  events; an opportunity is a convenience or fitness of
                  time, place, etc., for the doing of a thing. Hence,
                  occasions often make opportunities. The occasion of
                  sickness may give opportunity for reflection.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ovariotomist \O*va`ri*ot"o*mist\, n.
      One who performs, or is skilled in, ovariotomy.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ovariotomy \O*va`ri*ot"o*my\, n. [Ovarium + Gr. [?] to cut.]
      (Surg.)
      The operation of removing one or both of the ovaries;
      o[94]phorectomy.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Over \O"ver\, prep. [AS. ofer; akin to D. over, G. [81]ber, OHG.
      ubir, ubar, Dan. over, Sw. [94]fver, Icel. yfir, Goth. ufar,
      L. super, Gr. [?], Skr. upari. [?]199. Cf. {Above}, {Eaves},
      {Hyper-}, {Orlop}, {Super-}, {Sovereign}, {Up}.]
      1. Above, or higher than, in place or position, with the idea
            of covering; -- opposed to {under}; as, clouds are over
            our heads; the smoke rises over the city.
  
                     The mercy seat that is over the testimony. --Ex.
                                                                              xxx. 6.
  
                     Over them gleamed far off the crimson banners of
                     morning.                                             --Longfellow.
  
      2. Across; from side to side of; -- implying a passing or
            moving, either above the substance or thing, or on the
            surface of it; as, a dog leaps over a stream or a table.
  
                     Certain lakes . . . poison birds which fly over
                     them.                                                --Bacon.
  
      3. Upon the surface of, or the whole surface of; hither and
            thither upon; throughout the whole extent of; as, to
            wander over the earth; to walk over a field, or over a
            city.
  
      4. Above; -- implying superiority in excellence, dignity,
            condition, or value; as, the advantages which the
            Christian world has over the heathen. --Swift.
  
      5. Above in authority or station; -- implying government,
            direction, care, attention, guard, responsibility, etc.;
            -- opposed to {under}.
  
                     Thou shalt be over my house.               --Gen. xli.
                                                                              40.
  
                     I will make thee rules over many things. --Matt.
                                                                              xxv. 23.
  
                     Dost thou not watch over my sin ?      --Job xiv. 16.
  
                     His tender mercies are over all his works. --Ps.
                                                                              cxlv. 9.
  
      6. Across or during the time of; from beginning to end of;
            as, to keep anything over night; to keep corn over winter.
  
      7. Above the perpendicular height or length of, with an idea
            of measurement; as, the water, or the depth of water, was
            over his head, over his shoes.
  
      8. Beyond; in excess of; in addition to; more than; as, it
            cost over five dollars. [bd]Over all this.[b8] --Chaucer.
  
      9. Above, implying superiority after a contest; in spite of;
            notwithstanding; as, he triumphed over difficulties; the
            bill was passed over the veto.
  
      Note: Over, in poetry, is often contracted into o'er.
  
      Note: Over his signature (or name) is a substitute for the
               idiomatic English form, under his signature (name, hand
               and seal, etc.), the reference in the latter form being
               to the authority under which the writing is made,
               executed, or published, and not the place of the
               autograph, etc.
  
      {Over all} (Her.), placed over or upon other bearings, and
            therefore hinding them in part; -- said of a charge.
  
      {Over head and ears}, beyond one's depth; completely; wholly;
            hopelessly; as, over head and ears in debt.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Border \Bor"der\, n. [OE. bordure, F. bordure, fr. border to
      border, fr. bord a border; of German origin; cf. MHG. borte
      border, trimming, G. borte trimming, ribbon; akin to E. board
      in sense 8. See {Board}, n., and cf. {Bordure}.]
      1. The outer part or edge of anything, as of a garment, a
            garden, etc.; margin; verge; brink.
  
                     Upon the borders of these solitudes.   --Bentham.
  
                     In the borders of death.                     --Barrow.
  
      2. A boundary; a frontier of a state or of the settled part
            of a country; a frontier district.
  
      3. A strip or stripe arranged along or near the edge of
            something, as an ornament or finish.
  
      4. A narrow flower bed.
  
      {Border land}, land on the frontiers of two adjoining
            countries; debatable land; -- often used figuratively; as,
            the border land of science.
  
      {The Border}, {The Borders}, specifically, the frontier
            districts of Scotland and England which lie adjacent.
  
      {Over the border}, across the boundary line or frontier.
  
      Syn: Edge; verge; brink; margin; brim; rim; boundary;
               confine.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Counter \Coun"ter\, n.
  
      {Over the counter} (Stock Exchanges), in an office; -- said
            of business so done, as distinguished from that done at an
            exchange. [Cant] Counterglow \Coun"ter*glow`\, n.
      (Astron.)
      An exceedingly faint roundish or somewhat oblong nebulous
      light near the ecliptic and opposite the sun, best seen
      during September and October, when in the constellations
      Sagittarius and Pisces. Its cause is not yet understood.
      Called also {Gegenschein}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Head \Head\, n. [OE. hed, heved, heaved, AS. he[a0]fod; akin to
      D. hoofd, OHG. houbit, G. haupt, Icel. h[94]fu[?], Sw.
      hufvud, Dan. hoved, Goth. haubip. The word does not
      corresponds regularly to L. caput head (cf. E. {Chief},
      {Cadet}, {Capital}), and its origin is unknown.]
      1. The anterior or superior part of an animal, containing the
            brain, or chief ganglia of the nervous system, the mouth,
            and in the higher animals, the chief sensory organs; poll;
            cephalon.
  
      2. The uppermost, foremost, or most important part of an
            inanimate object; such a part as may be considered to
            resemble the head of an animal; often, also, the larger,
            thicker, or heavier part or extremity, in distinction from
            the smaller or thinner part, or from the point or edge;
            as, the head of a cane, a nail, a spear, an ax, a mast, a
            sail, a ship; that which covers and closes the top or the
            end of a hollow vessel; as, the head of a cask or a steam
            boiler.
  
      3. The place where the head should go; as, the head of a bed,
            of a grave, etc.; the head of a carriage, that is, the
            hood which covers the head.
  
      4. The most prominent or important member of any organized
            body; the chief; the leader; as, the head of a college, a
            school, a church, a state, and the like. [bd]Their princes
            and heads.[b8] --Robynson (More's Utopia).
  
                     The heads of the chief sects of philosophy.
                                                                              --Tillotson.
  
                     Your head I him appoint.                     --Milton.
  
      5. The place or honor, or of command; the most important or
            foremost position; the front; as, the head of the table;
            the head of a column of soldiers.
  
                     An army of fourscore thousand troops, with the duke
                     Marlborough at the head of them.         --Addison.
  
      6. Each one among many; an individual; -- often used in a
            plural sense; as, a thousand head of cattle.
  
                     It there be six millions of people, there are about
                     four acres for every head.                  --Graunt.
  
      7. The seat of the intellect; the brain; the understanding;
            the mental faculties; as, a good head, that is, a good
            mind; it never entered his head, it did not occur to him;
            of his own head, of his own thought or will.
  
                     Men who had lost both head and heart. --Macaulay.
  
      8. The source, fountain, spring, or beginning, as of a stream
            or river; as, the head of the Nile; hence, the altitude of
            the source, or the height of the surface, as of water,
            above a given place, as above an orifice at which it
            issues, and the pressure resulting from the height or from
            motion; sometimes also, the quantity in reserve; as, a
            mill or reservoir has a good head of water, or ten feet
            head; also, that part of a gulf or bay most remote from
            the outlet or the sea.
  
      9. A headland; a promontory; as, Gay Head. --Shak.
  
      10. A separate part, or topic, of a discourse; a theme to be
            expanded; a subdivision; as, the heads of a sermon.
  
      11. Culminating point or crisis; hence, strength; force;
            height.
  
                     Ere foul sin, gathering head, shall break into
                     corruption.                                       --Shak.
  
                     The indisposition which has long hung upon me, is
                     at last grown to such a head, that it must quickly
                     make an end of me or of itself.         --Addison.
  
      12. Power; armed force.
  
                     My lord, my lord, the French have gathered head.
                                                                              --Shak.
  
      13. A headdress; a covering of the head; as, a laced head; a
            head of hair. --Swift.
  
      14. An ear of wheat, barley, or of one of the other small
            cereals.
  
      15. (Bot.)
            (a) A dense cluster of flowers, as in clover, daisies,
                  thistles; a capitulum.
            (b) A dense, compact mass of leaves, as in a cabbage or a
                  lettuce plant.
  
      16. The antlers of a deer.
  
      17. A rounded mass of foam which rises on a pot of beer or
            other effervescing liquor. --Mortimer.
  
      18. pl. Tiles laid at the eaves of a house. --Knight.
  
      Note: Head is often used adjectively or in self-explaining
               combinations; as, head gear or headgear, head rest. Cf.
               {Head}, a.
  
      {A buck of the first head}, a male fallow deer in its fifth
            year, when it attains its complete set of antlers. --Shak.
  
      {By the head}. (Naut.) See under {By}.
  
      {Elevator head}, {Feed head}, etc. See under {Elevator},
            {Feed}, etc.
  
      {From head to foot}, through the whole length of a man;
            completely; throughout. [bd]Arm me, audacity, from head to
            foot.[b8] --Shak.
  
      {Head and ears}, with the whole person; deeply; completely;
            as, he was head and ears in debt or in trouble. [Colloq.]
           
  
      {Head fast}. (Naut.) See 5th {Fast}.
  
      {Head kidney} (Anat.), the most anterior of the three pairs
            of embryonic renal organs developed in most vertebrates;
            the pronephros.
  
      {Head money}, a capitation tax; a poll tax. --Milton.
  
      {Head pence}, a poll tax. [Obs.]
  
      {Head sea}, a sea that meets the head of a vessel or rolls
            against her course.
  
      {Head and shoulders}.
            (a) By force; violently; as, to drag one, head and
                  shoulders. [bd]They bring in every figure of speech,
                  head and shoulders.[b8] --Felton.
            (b) By the height of the head and shoulders; hence, by a
                  great degree or space; by far; much; as, he is head
                  and shoulders above them.
  
      {Head or tail}, this side or that side; this thing or that;
            -- a phrase used in throwing a coin to decide a choice,
            guestion, or stake, head being the side of the coin
            bearing the effigy or principal figure (or, in case there
            is no head or face on either side, that side which has the
            date on it), and tail the other side.
  
      {Neither head nor tail}, neither beginning nor end; neither
            this thing nor that; nothing distinct or definite; -- a
            phrase used in speaking of what is indefinite or confused;
            as, they made neither head nor tail of the matter.
            [Colloq.]
  
      {Head wind}, a wind that blows in a direction opposite the
            vessel's course.
  
      {Out one's own head}, according to one's own idea; without
            advice or co[94]peration of another.
  
      {Over the head of}, beyond the comprehension of. --M. Arnold.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Left \Left\, a. [OE. left, lift, luft; akin to Fries. leeft, OD.
      lucht, luft; cf. AS. left (equiv. to L. inanis), lyft[be]dl
      palsy; or cf. AS. l[emac]f weak.]
      Of or pertaining to that side of the body in man on which the
      muscular action of the limbs is usually weaker than on the
      other side; -- opposed to {right}, when used in reference to
      a part of the body; as, the left hand, or arm; the left ear.
      Also said of the corresponding side of the lower animals.
  
      {Left bank of a river}, that which is on the left hand of a
            person whose face is turned downstream.
  
      {Left bower}. See under 2d {Bower}.
  
      {Left center}, the members whose sympathies are, in the main,
            with the members of the Left, but who do not favor extreme
            courses, and on occasions vote with the government. They
            sit between the Center and the extreme Left.
  
      {Over the left shoulder}, or {Over the left}, an old but
            still current colloquialism, or slang expression, used as
            an aside to indicate insincerity, negation, or disbelief;
            as, he said it, and it is true, -- over the left.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   [Colloq.]
  
      {Over the left}. See under {Left}.
  
      {To run over} (Mach.), to have rotation in such direction
            that the crank pin traverses the upper, or front, half of
            its path in the forward, or outward, stroke; -- said of a
            crank which drives, or is driven by, a reciprocating
            piece.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Left \Left\, a. [OE. left, lift, luft; akin to Fries. leeft, OD.
      lucht, luft; cf. AS. left (equiv. to L. inanis), lyft[be]dl
      palsy; or cf. AS. l[emac]f weak.]
      Of or pertaining to that side of the body in man on which the
      muscular action of the limbs is usually weaker than on the
      other side; -- opposed to {right}, when used in reference to
      a part of the body; as, the left hand, or arm; the left ear.
      Also said of the corresponding side of the lower animals.
  
      {Left bank of a river}, that which is on the left hand of a
            person whose face is turned downstream.
  
      {Left bower}. See under 2d {Bower}.
  
      {Left center}, the members whose sympathies are, in the main,
            with the members of the Left, but who do not favor extreme
            courses, and on occasions vote with the government. They
            sit between the Center and the extreme Left.
  
      {Over the left shoulder}, or {Over the left}, an old but
            still current colloquialism, or slang expression, used as
            an aside to indicate insincerity, negation, or disbelief;
            as, he said it, and it is true, -- over the left.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overawe \O`ver*awe"\, v. t. [imp. & p. p. {Overawed}; p. pr. &
      vb. n. {Overawing}.]
      To awe exceedingly; to subjugate or restrain by awe or great
      fear.
  
               The king was present in person to overlook the
               magistrates, and overawe these subjects with the terror
               of his sword.                                          --Spenser.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdare \O`ver*dare"\, v. t. & i.
      To dare too much or rashly; to be too daring.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdate \O`ver*date"\, v. t.
      To date later than the true or proper period. --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdeal \O"ver*deal`\, n.
      The excess. [Obs.]
  
               The overdeal in the price will be double. --Holland.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdelicate \O"ver*del"i*cate\, a.
      Too delicate.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdelighted \O"ver*de*light"ed\, a.
      Delighted beyond measure.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdevelop \O`ver*de*vel"op\, v. t.
      To develop excessively; specif. (Photog.), to subject (a
      plate or film) too long to the developing process.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdo \O`ver*do"\, v. t. [imp. {Overdid}; p. p. {Overdone}; p.
      pr. & vb. n. {Overdoing}.]
      1. To do too much; to exceed what is proper or true in doing;
            to exaggerate; to carry too far.
  
                     Anything so overdone is from the purpose of playing.
                                                                              --Shak.
  
      2. To overtask. or overtax; to fatigue; to exhaust; as, to
            overdo one's strength.
  
      3. To surpass; to excel. [R.] --Tennyson.
  
      4. To cook too much; as, to overdo the meat.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdight \O"ver*dight"\, a.
      Covered over. [Obs.] --Spenser.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdo \O`ver*do"\, v. i.
      To labor too hard; to do too much.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdo \O`ver*do"\, v. t. [imp. {Overdid}; p. p. {Overdone}; p.
      pr. & vb. n. {Overdoing}.]
      1. To do too much; to exceed what is proper or true in doing;
            to exaggerate; to carry too far.
  
                     Anything so overdone is from the purpose of playing.
                                                                              --Shak.
  
      2. To overtask. or overtax; to fatigue; to exhaust; as, to
            overdo one's strength.
  
      3. To surpass; to excel. [R.] --Tennyson.
  
      4. To cook too much; as, to overdo the meat.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdoer \O`ver*do"er\, n.
      One who overdoes.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdo \O`ver*do"\, v. t. [imp. {Overdid}; p. p. {Overdone}; p.
      pr. & vb. n. {Overdoing}.]
      1. To do too much; to exceed what is proper or true in doing;
            to exaggerate; to carry too far.
  
                     Anything so overdone is from the purpose of playing.
                                                                              --Shak.
  
      2. To overtask. or overtax; to fatigue; to exhaust; as, to
            overdo one's strength.
  
      3. To surpass; to excel. [R.] --Tennyson.
  
      4. To cook too much; as, to overdo the meat.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdo \O`ver*do"\, v. t. [imp. {Overdid}; p. p. {Overdone}; p.
      pr. & vb. n. {Overdoing}.]
      1. To do too much; to exceed what is proper or true in doing;
            to exaggerate; to carry too far.
  
                     Anything so overdone is from the purpose of playing.
                                                                              --Shak.
  
      2. To overtask. or overtax; to fatigue; to exhaust; as, to
            overdo one's strength.
  
      3. To surpass; to excel. [R.] --Tennyson.
  
      4. To cook too much; as, to overdo the meat.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdose \O`ver*dose"\, v. t.
      To dose to excess; to give an overdose, or too many doses,
      to.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdose \O"ver*dose`\, n.
      Too great a dose; an excessive dose.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdraft \O"ver*draft`\, n. (Banking)
      The act of overdrawing; also, the amount or sum overdrawn.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdraw \O`ver*draw"\, v. t. [imp. {Overdrew}; p. p.
      {Overdrawn}; p. pr. & vb. n. {Overdrawing}.]
      1. To exaggerate; to overdo.
  
      2. (Banking) To make drafts upon or against, in excess of the
            proper amount or limit.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdraw \O`ver*draw"\, v. t. [imp. {Overdrew}; p. p.
      {Overdrawn}; p. pr. & vb. n. {Overdrawing}.]
      1. To exaggerate; to overdo.
  
      2. (Banking) To make drafts upon or against, in excess of the
            proper amount or limit.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdraw \O`ver*draw"\, v. t. [imp. {Overdrew}; p. p.
      {Overdrawn}; p. pr. & vb. n. {Overdrawing}.]
      1. To exaggerate; to overdo.
  
      2. (Banking) To make drafts upon or against, in excess of the
            proper amount or limit.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdress \O`ver*dress"\, v. t.
      To dress or adorn to excess; to dress too much. --Pope.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdraw \O`ver*draw"\, v. t. [imp. {Overdrew}; p. p.
      {Overdrawn}; p. pr. & vb. n. {Overdrawing}.]
      1. To exaggerate; to overdo.
  
      2. (Banking) To make drafts upon or against, in excess of the
            proper amount or limit.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdrink \O`ver*drink"\, v. t. & i.
      To drink to excess.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdrown \O`ver*drown"\, v. t.
      To wet or drench to excess. [Obs.] --W. Browne.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdry \O`ver*dry"\, v. t.
      To dry too much. --Burton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdtive \O`ver*dtive"\, v. t. & i.
      To drive too hard, or far, or beyond strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdue \O"ver*due"\, a.
      Due and more than due; delayed beyond the proper time of
      arrival or payment, etc.; as, an overdue vessel; an overdue
      note.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overdye \O`ver*dye"\, v. t.
      To dye with excess of color; to put one color over (another).
      --Shak.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overeat \O`ver*eat"\, v. t. & i.
      1. To gnaw all over, or on all sides. [Obs.] --Shak.
  
      2. To eat to excess; -- often with a reflexive.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overhead \O`ver*head"\, adv.
      Aloft; above; in or attached to the ceiling or roof; in the
      story or upon the floor above; in the zenith.
  
               While overhead the moon Sits arbitress.   --Milton.
  
      Note: Also used adjectively; as, an overhead crane, gear,
               etc.
  
      {Overhead engine}, a vertical steam engine in which the
            cylinder stands above the crank.
  
      {Overhead work}, a general term in manufactories for
            countershafting and gearing, when overhead.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overhead charges \O"ver*head" charges\, expenses \expenses\,
      etc. (Accounting)
      Those general charges or expenses in any business which
      cannot be charged up as belonging exclusively to any
      particular part of the work or product, as where different
      kinds of goods are made, or where there are different
      departments in a business; -- called also fixed,
      establishment, or (in a manufacturing business)
      administration, selling, and distribution, charges, etc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overhead \O`ver*head"\, adv.
      Aloft; above; in or attached to the ceiling or roof; in the
      story or upon the floor above; in the zenith.
  
               While overhead the moon Sits arbitress.   --Milton.
  
      Note: Also used adjectively; as, an overhead crane, gear,
               etc.
  
      {Overhead engine}, a vertical steam engine in which the
            cylinder stands above the crank.
  
      {Overhead work}, a general term in manufactories for
            countershafting and gearing, when overhead.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overhead \O`ver*head"\, adv.
      Aloft; above; in or attached to the ceiling or roof; in the
      story or upon the floor above; in the zenith.
  
               While overhead the moon Sits arbitress.   --Milton.
  
      Note: Also used adjectively; as, an overhead crane, gear,
               etc.
  
      {Overhead engine}, a vertical steam engine in which the
            cylinder stands above the crank.
  
      {Overhead work}, a general term in manufactories for
            countershafting and gearing, when overhead.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overheat \O`ver*heat"\, v. t. [Cf. {Superheat}.]
      To heat to excess; to superheat. --Cowper.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overrate \O`ver*rate"\, v. t. [imp. & p. p. {Overrated}; p. pr.
      & vb. n. {Overrating}.]
      To rate or value too highly.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overrate \O"ver*rate`\, n.
      An excessive rate. [R.] --Massinger.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overrate \O`ver*rate"\, v. t. [imp. & p. p. {Overrated}; p. pr.
      & vb. n. {Overrating}.]
      To rate or value too highly.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overrate \O`ver*rate"\, v. t. [imp. & p. p. {Overrated}; p. pr.
      & vb. n. {Overrating}.]
      To rate or value too highly.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overread \O`ver*read"\, v. t.
      To read over, or peruse. --Shak.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overready \O"ver*read"y\, a.
      Too ready. -- {O"ver*read"*i*ly}, adv. --
      {O"ver*read"i*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overready \O"ver*read"y\, a.
      Too ready. -- {O"ver*read"*i*ly}, adv. --
      {O"ver*read"i*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overready \O"ver*read"y\, a.
      Too ready. -- {O"ver*read"*i*ly}, adv. --
      {O"ver*read"i*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overred \O`ver*red"\, v. t.
      To smear with red. [Obs.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Override \O`ver*ride"\, v. t. [imp. {Overrode}; p. p.
      {Overridden}, {Overrode}, {Overrid}; p. pr. & vb. n.
      {Overriding}.] [AS. offer[c6]dan.]
      1. To ride over or across; to ride upon; to trample down.
  
                     The carter overridden with [i. e., by] his cart.
                                                                              --Chaucer.
  
      2. To suppress; to destroy; to supersede; to annul; as, one
            low overrides another; to override a veto.
  
      3. To ride beyond; to pass; to outride. [Obs.]
  
                     I overrode him on the way.                  --Shak.
  
      4. To ride too much; to ride, as a horse, beyond its
            strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Override \O`ver*ride"\, v. t. [imp. {Overrode}; p. p.
      {Overridden}, {Overrode}, {Overrid}; p. pr. & vb. n.
      {Overriding}.] [AS. offer[c6]dan.]
      1. To ride over or across; to ride upon; to trample down.
  
                     The carter overridden with [i. e., by] his cart.
                                                                              --Chaucer.
  
      2. To suppress; to destroy; to supersede; to annul; as, one
            low overrides another; to override a veto.
  
      3. To ride beyond; to pass; to outride. [Obs.]
  
                     I overrode him on the way.                  --Shak.
  
      4. To ride too much; to ride, as a horse, beyond its
            strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Override \O`ver*ride"\, v. t. [imp. {Overrode}; p. p.
      {Overridden}, {Overrode}, {Overrid}; p. pr. & vb. n.
      {Overriding}.] [AS. offer[c6]dan.]
      1. To ride over or across; to ride upon; to trample down.
  
                     The carter overridden with [i. e., by] his cart.
                                                                              --Chaucer.
  
      2. To suppress; to destroy; to supersede; to annul; as, one
            low overrides another; to override a veto.
  
      3. To ride beyond; to pass; to outride. [Obs.]
  
                     I overrode him on the way.                  --Shak.
  
      4. To ride too much; to ride, as a horse, beyond its
            strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Override \O`ver*ride"\, v. t. [imp. {Overrode}; p. p.
      {Overridden}, {Overrode}, {Overrid}; p. pr. & vb. n.
      {Overriding}.] [AS. offer[c6]dan.]
      1. To ride over or across; to ride upon; to trample down.
  
                     The carter overridden with [i. e., by] his cart.
                                                                              --Chaucer.
  
      2. To suppress; to destroy; to supersede; to annul; as, one
            low overrides another; to override a veto.
  
      3. To ride beyond; to pass; to outride. [Obs.]
  
                     I overrode him on the way.                  --Shak.
  
      4. To ride too much; to ride, as a horse, beyond its
            strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Override \O`ver*ride"\, v. t. [imp. {Overrode}; p. p.
      {Overridden}, {Overrode}, {Overrid}; p. pr. & vb. n.
      {Overriding}.] [AS. offer[c6]dan.]
      1. To ride over or across; to ride upon; to trample down.
  
                     The carter overridden with [i. e., by] his cart.
                                                                              --Chaucer.
  
      2. To suppress; to destroy; to supersede; to annul; as, one
            low overrides another; to override a veto.
  
      3. To ride beyond; to pass; to outride. [Obs.]
  
                     I overrode him on the way.                  --Shak.
  
      4. To ride too much; to ride, as a horse, beyond its
            strength.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Letter \Let"ter\, n. [OE. lettre, F. lettre, OF. letre, fr. L.
      littera, litera, a letter; pl., an epistle, a writing,
      literature, fr. linere, litum, to besmear, to spread or rub
      over; because one of the earliest modes of writing was by
      graving the characters upon tablets smeared over or covered
      with wax. --Pliny, xiii. 11. See {Liniment}, and cf.
      {Literal}.]
      1. A mark or character used as the representative of a sound,
            or of an articulation of the human organs of speech; a
            first element of written language.
  
                     And a superscription also was written over him in
                     letters of Greek, and Latin, and Hebrew. --Luke
                                                                              xxiii. 38.
  
      2. A written or printed communication; a message expressed in
            intelligible characters on something adapted to
            conveyance, as paper, parchment, etc.; an epistle.
  
                     The style of letters ought to be free, easy, and
                     natural.                                             --Walsh.
  
      3. A writing; an inscription. [Obs.]
  
                     None could expound what this letter meant.
                                                                              --Chaucer.
  
      4. Verbal expression; literal statement or meaning; exact
            signification or requirement.
  
                     We must observe the letter of the law, without doing
                     violence to the reason of the law and the intention
                     of the lawgiver.                                 --Jer. Taylor.
  
                     I broke the letter of it to keep the sense.
                                                                              --Tennyson.
  
      5. (Print.) A single type; type, collectively; a style of
            type.
  
                     Under these buildings . . . was the king's printing
                     house, and that famous letter so much esteemed.
                                                                              --Evelyn.
  
      6. pl. Learning; erudition; as, a man of letters.
  
      7. pl. A letter; an epistle. [Obs.] --Chaucer.
  
      {Dead letter}, {Drop letter}, etc. See under {Dead}, {Drop},
            etc.
  
      {Letter book}, a book in which copies of letters are kept.
  
      {Letter box}, a box for the reception of letters to be mailed
            or delivered.
  
      {Letter carrier}, a person who carries letters; a postman;
            specif., an officer of the post office who carries letters
            to the persons to whom they are addressed, and collects
            letters to be mailed.
  
      {Letter cutter}, one who engraves letters or letter punches.
           
  
      {Letter lock}, a lock that can not be opened when fastened,
            unless certain movable lettered rings or disks forming a
            part of it are in such a position (indicated by a
            particular combination of the letters) as to permit the
            bolt to be withdrawn.
  
                     A strange lock that opens with AMEN.   --Beau. & Fl.
  
      {Letter paper}, paper for writing letters on; especially, a
            size of paper intermediate between note paper and
            foolscap. See {Paper}.
  
      {Letter punch}, a steel punch with a letter engraved on the
            end, used in making the matrices for type.
  
      {Letters of administration} (Law), the instrument by which an
            administrator or administratrix is authorized to
            administer the goods and estate of a deceased person.
  
      {Letter of attorney}, {Letter of credit}, etc. See under
            {Attorney}, {Credit}, etc.
  
      {Letter of license}, a paper by which creditors extend a
            debtor's time for paying his debts.
  
      {Letters close [or] clause} (Eng. Law.), letters or writs
            directed to particular persons for particular purposes,
            and hence closed or sealed on the outside; --
            distinguished from letters patent. --Burrill.
  
      {Letters of orders} (Eccl.), a document duly signed and
            sealed, by which a bishop makes it known that he has
            regularly ordained a certain person as priest, deacon,
            etc.
  
      {Letters patent}, {overt}, [or] {open} (Eng. Law), a writing
            executed and sealed, by which power and authority are
            granted to a person to do some act, or enjoy some right;
            as, letters patent under the seal of England.
  
      {Letter-sheet envelope}, a stamped sheet of letter paper
            issued by the government, prepared to be folded and sealed
            for transmission by mail without an envelope.
  
      {Letters testamentary} (Law), an instrument granted by the
            proper officer to an executor after probate of a will,
            authorizing him to act as executor.
  
      {Letter writer}.
            (a) One who writes letters.
            (b) A machine for copying letters.
            (c) A book giving directions and forms for the writing of
                  letters.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overt \O"vert\, a. [OF. overt, F. ouvert, p. p. of OF. ovrir, F.
      ouvrir, to open, of uncertain origin; cf. It. aprire, OIt.
      also oprire, L. aperire to open, operire to cover, deoperire
      to uncover. Perch. from L. aperire influenced by F. couvrir
      to cover. Cf. {Aperient}, {Cover}.]
      1. Open to view; public; apparent; manifest.
  
                     Overt and apparent virtues bring forth praise.
                                                                              --Bacon.
  
      2. (Law) Not covert; open; public; manifest; as, an overt act
            of treason. --Macaulay.
  
                     No person shall be convicted of treason unless on
                     the testimony of two witnesses to the same overt
                     act, or on confession in open court. --Constitution
            of the U. S.
  
      Note: In criminal law, an overt act is an open done in
               pursuance and manifestation of a criminal design; the
               mere design or intent not being punishable without such
               act. In English law, market overt is an open market; a
               pound overt is an open, uncovered pound.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Letter \Let"ter\, n. [OE. lettre, F. lettre, OF. letre, fr. L.
      littera, litera, a letter; pl., an epistle, a writing,
      literature, fr. linere, litum, to besmear, to spread or rub
      over; because one of the earliest modes of writing was by
      graving the characters upon tablets smeared over or covered
      with wax. --Pliny, xiii. 11. See {Liniment}, and cf.
      {Literal}.]
      1. A mark or character used as the representative of a sound,
            or of an articulation of the human organs of speech; a
            first element of written language.
  
                     And a superscription also was written over him in
                     letters of Greek, and Latin, and Hebrew. --Luke
                                                                              xxiii. 38.
  
      2. A written or printed communication; a message expressed in
            intelligible characters on something adapted to
            conveyance, as paper, parchment, etc.; an epistle.
  
                     The style of letters ought to be free, easy, and
                     natural.                                             --Walsh.
  
      3. A writing; an inscription. [Obs.]
  
                     None could expound what this letter meant.
                                                                              --Chaucer.
  
      4. Verbal expression; literal statement or meaning; exact
            signification or requirement.
  
                     We must observe the letter of the law, without doing
                     violence to the reason of the law and the intention
                     of the lawgiver.                                 --Jer. Taylor.
  
                     I broke the letter of it to keep the sense.
                                                                              --Tennyson.
  
      5. (Print.) A single type; type, collectively; a style of
            type.
  
                     Under these buildings . . . was the king's printing
                     house, and that famous letter so much esteemed.
                                                                              --Evelyn.
  
      6. pl. Learning; erudition; as, a man of letters.
  
      7. pl. A letter; an epistle. [Obs.] --Chaucer.
  
      {Dead letter}, {Drop letter}, etc. See under {Dead}, {Drop},
            etc.
  
      {Letter book}, a book in which copies of letters are kept.
  
      {Letter box}, a box for the reception of letters to be mailed
            or delivered.
  
      {Letter carrier}, a person who carries letters; a postman;
            specif., an officer of the post office who carries letters
            to the persons to whom they are addressed, and collects
            letters to be mailed.
  
      {Letter cutter}, one who engraves letters or letter punches.
           
  
      {Letter lock}, a lock that can not be opened when fastened,
            unless certain movable lettered rings or disks forming a
            part of it are in such a position (indicated by a
            particular combination of the letters) as to permit the
            bolt to be withdrawn.
  
                     A strange lock that opens with AMEN.   --Beau. & Fl.
  
      {Letter paper}, paper for writing letters on; especially, a
            size of paper intermediate between note paper and
            foolscap. See {Paper}.
  
      {Letter punch}, a steel punch with a letter engraved on the
            end, used in making the matrices for type.
  
      {Letters of administration} (Law), the instrument by which an
            administrator or administratrix is authorized to
            administer the goods and estate of a deceased person.
  
      {Letter of attorney}, {Letter of credit}, etc. See under
            {Attorney}, {Credit}, etc.
  
      {Letter of license}, a paper by which creditors extend a
            debtor's time for paying his debts.
  
      {Letters close [or] clause} (Eng. Law.), letters or writs
            directed to particular persons for particular purposes,
            and hence closed or sealed on the outside; --
            distinguished from letters patent. --Burrill.
  
      {Letters of orders} (Eccl.), a document duly signed and
            sealed, by which a bishop makes it known that he has
            regularly ordained a certain person as priest, deacon,
            etc.
  
      {Letters patent}, {overt}, [or] {open} (Eng. Law), a writing
            executed and sealed, by which power and authority are
            granted to a person to do some act, or enjoy some right;
            as, letters patent under the seal of England.
  
      {Letter-sheet envelope}, a stamped sheet of letter paper
            issued by the government, prepared to be folded and sealed
            for transmission by mail without an envelope.
  
      {Letters testamentary} (Law), an instrument granted by the
            proper officer to an executor after probate of a will,
            authorizing him to act as executor.
  
      {Letter writer}.
            (a) One who writes letters.
            (b) A machine for copying letters.
            (c) A book giving directions and forms for the writing of
                  letters.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overt \O"vert\, a. [OF. overt, F. ouvert, p. p. of OF. ovrir, F.
      ouvrir, to open, of uncertain origin; cf. It. aprire, OIt.
      also oprire, L. aperire to open, operire to cover, deoperire
      to uncover. Perch. from L. aperire influenced by F. couvrir
      to cover. Cf. {Aperient}, {Cover}.]
      1. Open to view; public; apparent; manifest.
  
                     Overt and apparent virtues bring forth praise.
                                                                              --Bacon.
  
      2. (Law) Not covert; open; public; manifest; as, an overt act
            of treason. --Macaulay.
  
                     No person shall be convicted of treason unless on
                     the testimony of two witnesses to the same overt
                     act, or on confession in open court. --Constitution
            of the U. S.
  
      Note: In criminal law, an overt act is an open done in
               pursuance and manifestation of a criminal design; the
               mere design or intent not being punishable without such
               act. In English law, market overt is an open market; a
               pound overt is an open, uncovered pound.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtake \O`ver*take"\, v. t. [imp. {Overtook}; p. p.
      {Overtaken}; p. pr. & vb. n. {Overtaking}.]
      1. To come up with in a course, pursuit, progress, or motion;
            to catch up with.
  
                     Follow after the men; and when thou dost overtake
                     them, say . . . Wherefore have ye rewarded evil for
                     good.                                                --Gen. xliv.
                                                                              4.
  
                     He had him overtaken in his flight.   --Spenser.
  
      2. To come upon from behind; to discover; to surprise; to
            capture; to overcome.
  
                     If a man be overtaken in a fault.      --Gal. vi. 1
  
                     I shall see The winged vengeance overtake such
                     children.                                          --Shak.
  
      3. Hence, figuratively, in the past participle (overtaken),
            drunken. [Obs.] --Holland.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtake \O`ver*take"\, v. t. [imp. {Overtook}; p. p.
      {Overtaken}; p. pr. & vb. n. {Overtaking}.]
      1. To come up with in a course, pursuit, progress, or motion;
            to catch up with.
  
                     Follow after the men; and when thou dost overtake
                     them, say . . . Wherefore have ye rewarded evil for
                     good.                                                --Gen. xliv.
                                                                              4.
  
                     He had him overtaken in his flight.   --Spenser.
  
      2. To come upon from behind; to discover; to surprise; to
            capture; to overcome.
  
                     If a man be overtaken in a fault.      --Gal. vi. 1
  
                     I shall see The winged vengeance overtake such
                     children.                                          --Shak.
  
      3. Hence, figuratively, in the past participle (overtaken),
            drunken. [Obs.] --Holland.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtake \O`ver*take"\, v. t. [imp. {Overtook}; p. p.
      {Overtaken}; p. pr. & vb. n. {Overtaking}.]
      1. To come up with in a course, pursuit, progress, or motion;
            to catch up with.
  
                     Follow after the men; and when thou dost overtake
                     them, say . . . Wherefore have ye rewarded evil for
                     good.                                                --Gen. xliv.
                                                                              4.
  
                     He had him overtaken in his flight.   --Spenser.
  
      2. To come upon from behind; to discover; to surprise; to
            capture; to overcome.
  
                     If a man be overtaken in a fault.      --Gal. vi. 1
  
                     I shall see The winged vengeance overtake such
                     children.                                          --Shak.
  
      3. Hence, figuratively, in the past participle (overtaken),
            drunken. [Obs.] --Holland.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtalk \O`ver*talk"\, v. i.
      To talk to excess. --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtask \O`ver*task"\, v. t.
      To task too heavily.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtax \O`ver*tax"\, v. t.
      To tax or to task too heavily.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtedious \O`ver*te"di*ous\, a.
      Too tedious.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtempt \O`ver*tempt"\, v. t.
      To tempt exceedingly, or beyond the power of resistance.
      --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthrow \O`ver*throw"\, v. t. [imp. {Overthrew}; p. p.
      {Overthrown}; p. pr. & vb. n. {Overthrowing}.]
      1. To throw over; to overturn; to upset; to turn upside down.
  
                     His wife overthrew the table.            --Jer. Taylor.
  
      2. To cause to fall or to fail; to subvert; to defeat; to
            make a ruin of; to destroy.
  
                     When the walls of Thebes he overthrew. --Dryden.
  
                     [Gloucester] that seeks to overthrow religion.
                                                                              --Shak.
  
      Syn: To demolish; overturn; prostrate; destroy; ruin;
               subvert; overcome; conquer; defeat; discomfit; vanquish;
               beat; rout.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthrow \O`ver*throw"\, v. t. [imp. {Overthrew}; p. p.
      {Overthrown}; p. pr. & vb. n. {Overthrowing}.]
      1. To throw over; to overturn; to upset; to turn upside down.
  
                     His wife overthrew the table.            --Jer. Taylor.
  
      2. To cause to fall or to fail; to subvert; to defeat; to
            make a ruin of; to destroy.
  
                     When the walls of Thebes he overthrew. --Dryden.
  
                     [Gloucester] that seeks to overthrow religion.
                                                                              --Shak.
  
      Syn: To demolish; overturn; prostrate; destroy; ruin;
               subvert; overcome; conquer; defeat; discomfit; vanquish;
               beat; rout.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthrow \O"ver*throw`\, n.
      1. The act of overthrowing; the state of being overthrow;
            ruin.
  
                     Your sudden overthrow much rueth me.   --Spenser.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthrow \O`ver*throw"\, v. t. [imp. {Overthrew}; p. p.
      {Overthrown}; p. pr. & vb. n. {Overthrowing}.]
      1. To throw over; to overturn; to upset; to turn upside down.
  
                     His wife overthrew the table.            --Jer. Taylor.
  
      2. To cause to fall or to fail; to subvert; to defeat; to
            make a ruin of; to destroy.
  
                     When the walls of Thebes he overthrew. --Dryden.
  
                     [Gloucester] that seeks to overthrow religion.
                                                                              --Shak.
  
      Syn: To demolish; overturn; prostrate; destroy; ruin;
               subvert; overcome; conquer; defeat; discomfit; vanquish;
               beat; rout.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthrow \O`ver*throw"\, v. t. [imp. {Overthrew}; p. p.
      {Overthrown}; p. pr. & vb. n. {Overthrowing}.]
      1. To throw over; to overturn; to upset; to turn upside down.
  
                     His wife overthrew the table.            --Jer. Taylor.
  
      2. To cause to fall or to fail; to subvert; to defeat; to
            make a ruin of; to destroy.
  
                     When the walls of Thebes he overthrew. --Dryden.
  
                     [Gloucester] that seeks to overthrow religion.
                                                                              --Shak.
  
      Syn: To demolish; overturn; prostrate; destroy; ruin;
               subvert; overcome; conquer; defeat; discomfit; vanquish;
               beat; rout.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Fault \Fault\, n.
      1. (Elec.) A defective point in an electric circuit due to a
            crossing of the parts of the conductor, or to contact with
            another conductor or the earth, or to a break in the
            circuit.
  
      2. (Geol. & Mining) A dislocation caused by a slipping of
            rock masses along a plane of facture; also, the dislocated
            structure resulting from such slipping.
  
      Note: The surface along which the dislocated masses have
               moved is called the
  
      {fault plane}. When this plane is vertical, the fault is a
  
      {vertical fault}; when its inclination is such that the
            present relative position of the two masses could have
            been produced by the sliding down, along the fault plane,
            of the mass on its upper side, the fault is a
  
      {normal}, [or] {gravity}, {fault}. When the fault plane is so
            inclined that the mass on its upper side has moved up
            relatively, the fault is then called a
  
      {reverse} (or {reversed}), {thrust}, or {overthrust},
      {fault}. If no vertical displacement has resulted, the fault
            is then called a
  
      {horizontal fault}. The linear extent of the dislocation
            measured on the fault plane and in the direction of
            movement is the
  
      {displacement}; the vertical displacement is the
  
      {throw}; the horizontal displacement is the
  
      {heave}. The direction of the line of intersection of the
            fault plane with a horizontal plane is the
  
      {trend} of the fault. A fault is a
  
      {strike fault} when its trend coincides approximately with
            the strike of associated strata (i.e., the line of
            intersection of the plane of the strata with a horizontal
            plane); it is a
  
      {dip fault} when its trend is at right angles to the strike;
            an
  
      {oblique fault} when its trend is oblique to the strike.
            Oblique faults and dip faults are sometimes called
  
      {cross faults}. A series of closely associated parallel
            faults are sometimes called
  
      {step faults} and sometimes
  
      {distributive faults}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwart \O"ver*thwart"\ ([omac]"v[etil]r*thw[add]rt"), a.
      1. Having a transverse position; placed or situated across;
            hence, opposite. [bd]Our overthwart neighbors.[b8]
            --Dryden.
  
      2. Crossing in kind or disposition; perverse; adverse;
            opposing. [bd]Overthwart humor.[b8] --Clarendon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwart \O"ver*thwart"\, adv.
      Across; crosswise; transversely. [bd]Y'clenched overthwart
      and endelong.[b8] --Chaucer.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwart \O`ver*thwart"\, v. t.
      To cross; to oppose. [Obs.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwart \O"ver*thwart"\, prep.
      Across; from alde to side of. [bd]Huge trees overthwart one
      another.[b8] --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwart \O"ver*thwart`\, n.
      That which is overthwart; an adverse circumstance;
      opposition. [Obs.] --Surrey.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwartly \O"ver*thwart"ly\, adv.
      In an overthwart manner; across; also, perversely. [Obs.]
      --Peacham.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overthwartness \O"ver*thwart"ness\, n.
      The state of being overthwart; perverseness. [Obs.] --Lord
      Herbert.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtilt \O`ver*tilt"\, v. t.
      To tilt over; to overturn.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtime \O"ver*time`\, n.
      Time beyond, or in excess of, a limit; esp., extra working
      time.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtire \O`ver*tire"\, v. t.
      To tire to excess; to exhaust.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtire \O`ver*tire"\, v. t.
      To become too tired. --Br. Hall.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtitle \O`ver*ti"tle\, v. t.
      To give too high a title to.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtly \O"vert*ly\, adv.
      Publicly; openly.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtoil \O`ver*toil"\, v. t.
      To overwork.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtoil \O`ver*toil"\, v. t.
      To weary excessively; to exhaust.
  
               Then dozed a while herself, but overtoiled By that
               day's grief and travel.                           --Tennyson.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtone \O"ver*tone`\, n. [A translation of G. oberton. See
      {Over},{Tone}.] (Mus.)
      One of the harmonics faintly heard with and above a tone as
      it dies away, produced by some aliquot portion of the
      vibrating sting or column of air which yields the fundamental
      tone; one of the natural harmonic scale of tones, as the
      octave, twelfth, fifteenth, etc.; an aliquot or
      [bd]partial[b8] tone; a harmonic. See {Harmonic}, and {Tone}.
      --Tyndall.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtake \O`ver*take"\, v. t. [imp. {Overtook}; p. p.
      {Overtaken}; p. pr. & vb. n. {Overtaking}.]
      1. To come up with in a course, pursuit, progress, or motion;
            to catch up with.
  
                     Follow after the men; and when thou dost overtake
                     them, say . . . Wherefore have ye rewarded evil for
                     good.                                                --Gen. xliv.
                                                                              4.
  
                     He had him overtaken in his flight.   --Spenser.
  
      2. To come upon from behind; to discover; to surprise; to
            capture; to overcome.
  
                     If a man be overtaken in a fault.      --Gal. vi. 1
  
                     I shall see The winged vengeance overtake such
                     children.                                          --Shak.
  
      3. Hence, figuratively, in the past participle (overtaken),
            drunken. [Obs.] --Holland.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtop \O`ver*top"\, v. t. [imp. & p. p. {Overtopped}; p. pr. &
      vb. n. {Overtopping}.]
      1. To rise above the top of; to exceed in height; to tower
            above. [bd]To [?] 'ertop old Pelion.[b8] --Shak.
  
      2. To go beyond; to transcend; to transgress.
  
                     If kings presume to overtop the law by which they
                     reign, . . . they are by law to be reduced into
                     order.                                                --Milton.
  
      3. To make of less importance, or throw into the background,
            by superior excellence; to dwarf; to obscure. --Becon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtop \O`ver*top"\, v. t. [imp. & p. p. {Overtopped}; p. pr. &
      vb. n. {Overtopping}.]
      1. To rise above the top of; to exceed in height; to tower
            above. [bd]To [?] 'ertop old Pelion.[b8] --Shak.
  
      2. To go beyond; to transcend; to transgress.
  
                     If kings presume to overtop the law by which they
                     reign, . . . they are by law to be reduced into
                     order.                                                --Milton.
  
      3. To make of less importance, or throw into the background,
            by superior excellence; to dwarf; to obscure. --Becon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtop \O`ver*top"\, v. t. [imp. & p. p. {Overtopped}; p. pr. &
      vb. n. {Overtopping}.]
      1. To rise above the top of; to exceed in height; to tower
            above. [bd]To [?] 'ertop old Pelion.[b8] --Shak.
  
      2. To go beyond; to transcend; to transgress.
  
                     If kings presume to overtop the law by which they
                     reign, . . . they are by law to be reduced into
                     order.                                                --Milton.
  
      3. To make of less importance, or throw into the background,
            by superior excellence; to dwarf; to obscure. --Becon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtower \O`ver*tow"er\, v. t.
      To tower over or above.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtower \O`ver*tow"er\, v. i.
      To soar too high. [R.] --Fuller.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrade \O`ver*trade"\, v. i.
      To trade beyond one's capital; to buy goods beyond the means
      of paying for or seleng them; to overstock the market.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrading \O`ver*trad"ing\, n.
      The act or practice of buying goods beyond the means of
      payment; a glutting of the market.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtread \O`ver*tread"\, v. t. [AS. oferiredan.]
      To tread over or upon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrip \O`ver*trip"\, v. t.
      To trip over nimbly.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtroubled \O`ver*trou"bled\, a.
      Excessively troubled.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrow \O`ver*trow"\, v. i.
      To be too trustful or confident; to trust too much. [Obs.]
      --Wyclif [?]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrust \O"ver*trust`\, n.
      Excessive confidence.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overtrust \O`ver*trust"\, v. t. & i.
      To trust too much. --Bp. Hall.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overture \O"ver*ture\, v. t.
      To make an overture to; as, to overture a religious body on
      some subject.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overture \O"ver*ture\, [OF. overture, F. ouverture, fr. OF.
      ovrir, F. ouvrir. See {Overt}.]
      1. An opening or aperture; a recess; a recess; a chamber.
            [Obs.] --Spenser. [bd]The cave's inmost overture.[b8]
            --Chapman.
  
      2. Disclosure; discovery; revelation. [Obs.]
  
                     It was he That made the overture of thy treasons to
                     us.                                                   --Shak.
  
      3. A proposal; an offer; a proposition formally submitted for
            consideration, acceptance, or rejection. [bd]The great
            overture of the gospel.[b8] --Barrow.
  
      4. (Mus.) A composition, for a full orchestra, designed as an
            introduction to an oratorio, opera, or ballet, or as an
            independent piece; -- called in the latter case a {concert
            overture}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturn \O`ver*turn"\, v. t. [imp. & p. p. {Overturned}; p. pr.
      & vb. n. {Overturning}.]
      1. To turn or throw from a basis, foundation, or position; to
            overset; as, to overturn a carriage or a building.
  
      2. To subvert; to destroy; to overthrow.
  
      3. To overpower; to conquer. --Milton.
  
      Syn: To demolish; overthrow. See {Demolish}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturn \O"ver*turn`\, n.
      The act off overturning, or the state of being overturned or
      subverted; overthrow; as, an overturn of parties.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturnable \O`ver*turn"a*ble\, a.
      Capable of being, or liable to be, overturned or subverted.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturn \O`ver*turn"\, v. t. [imp. & p. p. {Overturned}; p. pr.
      & vb. n. {Overturning}.]
      1. To turn or throw from a basis, foundation, or position; to
            overset; as, to overturn a carriage or a building.
  
      2. To subvert; to destroy; to overthrow.
  
      3. To overpower; to conquer. --Milton.
  
      Syn: To demolish; overthrow. See {Demolish}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturner \O`ver*turn"er\, n.
      One who overturns. --South.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overturn \O`ver*turn"\, v. t. [imp. & p. p. {Overturned}; p. pr.
      & vb. n. {Overturning}.]
      1. To turn or throw from a basis, foundation, or position; to
            overset; as, to overturn a carriage or a building.
  
      2. To subvert; to destroy; to overthrow.
  
      3. To overpower; to conquer. --Milton.
  
      Syn: To demolish; overthrow. See {Demolish}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overwatch \O"ver*watch"\, v. t.
      1. To watch too much.
  
      2. To weary or exhaust by watching. --Dryden.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overweather \O`ver*weath"er\, v. t.
      To expose too long to the influence of the weather. [Obs.]
      --Shak.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overwet \O"ver*wet\, n.
      Excessive wetness. [Obs.]
  
               Another ill accident is, overwet at sowing time.
                                                                              --Bacon.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Overwit \O`ver*wit"\, v. t.
      To outwit. --Swift.

From U.S. Gazetteer (1990) [gazetteer]:
   Obert, NE (village, FIPS 35560)
      Location: 42.68897 N, 97.02702 W
      Population (1990): 39 (20 housing units)
      Area: 0.2 sq km (land), 0.0 sq km (water)
      Zip code(s): 68762

From U.S. Gazetteer (1990) [gazetteer]:
   Opportunity, WA (CDP, FIPS 51515)
      Location: 47.64945 N, 117.24045 W
      Population (1990): 22326 (8917 housing units)
      Area: 17.3 sq km (land), 0.0 sq km (water)

From U.S. Gazetteer (1990) [gazetteer]:
   Overton, NE (village, FIPS 37770)
      Location: 40.74039 N, 99.53697 W
      Population (1990): 547 (245 housing units)
      Area: 1.4 sq km (land), 0.0 sq km (water)
      Zip code(s): 68863
   Overton, NV
      Zip code(s): 89040
   Overton, TX (city, FIPS 54432)
      Location: 32.27556 N, 94.97229 W
      Population (1990): 2105 (994 housing units)
      Area: 17.4 sq km (land), 0.1 sq km (water)
      Zip code(s): 75684

From U.S. Gazetteer (1990) [gazetteer]:
   Overton County, TN (county, FIPS 133)
      Location: 36.34380 N, 85.28535 W
      Population (1990): 17636 (7388 housing units)
      Area: 1122.4 sq km (land), 3.8 sq km (water)

From Jargon File (4.2.0, 31 JAN 2000) [jargon]:
   operating system n.   [techspeak] (Often abbreviated `OS') The
   foundation software of a machine; that which schedules tasks,
   allocates storage, and presents a default interface to the user
   between applications.   The facilities an operating system provides
   and its general design philosophy exert an extremely strong
   influence on programming style and on the technical cultures that
   grow up around its host machines.   Hacker folklore has been shaped
   primarily by the {{Unix}}, {{ITS}}, {{TOPS-10}},
   {{TOPS-20}}/{{TWENEX}}, {{WAITS}}, {{CP/M}}, {{MS-DOS}}, and
   {{Multics}} operating systems (most importantly by ITS and Unix).
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operating system
  
      (OS) The low-level {software} which handles
      the interface to {peripheral} {hardware}, schedules {tasks},
      allocates {storage}, and presents a default {interface} to the
      user when no {application program} is running.
  
      The OS may be split into a {kernel} which is always present
      and various system programs which use facilities provided by
      the kernel to perform higher-level {house-keeping} tasks,
      often acting as {servers} in a {client-server} relationship.
  
      Some would include a {graphical user interface} and {window
      system} as part of the OS, others would not.   The {operating
      system loader}, {BIOS}, or other {firmware} required at {boot
      time} or when installing the operating system would generally
      not be considered part of the operating system, though this
      distinction is unclear in the case of a {rommable operating
      system} such as {RISC OS}.
  
      The facilities an operating system provides and its general
      design philosophy exert an extremely strong influence on
      programming style and on the technical cultures that grow up
      around the machines on which it runs.
  
      Example operating systems include {386BSD}, {AIX}, {AOS},
      {Amoeba}, {Angel}, {Artemis microkernel}, {BeOS}, {Brazil},
      {COS}, {CP/M}, {CTSS}, {Chorus}, {DACNOS}, {DOSEXEC 2},
      {GCOS}, {GEORGE 3}, {GEOS}, {ITS}, {KAOS}, {Linux}, {LynxOS},
      {MPV}, {MS-DOS}, {MVS}, {Mach}, {Macintosh operating system},
      {Microsoft Windows}, {MINIX}, {Multics}, {Multipop-68},
      {Novell NetWare}, {OS-9}, {OS/2}, {Pick}, {Plan 9}, {QNX},
      {RISC OS}, {STING}, {System V}, {System/360}, {TOPS-10},
      {TOPS-20}, {TRUSIX}, {TWENEX}, {TYMCOM-X}, {Thoth}, {Unix},
      {VM/CMS}, {VMS}, {VRTX}, {VSTa}, {VxWorks}, {WAITS}.
  
      {FAQ
      (ftp://src.doc.ic.ac.uk/usenet/news-info/comp.os.research)}.
  
      {Usenet} newsgroup: {news:comp.os.research}.
  
      [{Jargon File}]
  
      (1999-06-09)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   Operating System/360
  
      (OS/360) An {operating system} developed by
      {IBM} for their {System/360} computer (announced in 1964).
  
      After this experience, {Frederick P. Brooks} wrote his famous
      book, {The Mythical Man-Month}, giving OS/360 as an example of
      the {second-system effect}.
  
      [Features?   Relatonship to {DOS/360}?]
  
      (2001-03-23)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   Operating System/Multiprogramming of Fixed Tasks
  
      (OS/MFT) One of the {IBM} {operating
      systems} associated with the {IBM 360}, released in 1966 and
      targetted at mid-range {IBM 360} users (typically 360/40,
      360/50).   OS/MFT was the juinior member of the main 'OS'
      series of IBM operating systems, the other being {OS/MVT}.
      Smaller 360 mainframes used {DOS}.
  
      OS/MFT shared {JCL} and utilities with OS/MVT but allocated
      memory differently.   In OS/MFT, partitions of memory were of a
      fixed number and size, specified by the generation and
      configuration of the operating system.   As this class of
      mainframe had typically less than 512K of main memory,
      partitions tended to be about 128K.
  
      With the advent of {Virtual Storage} and the {System 370}'s
      {Dynamic Address Translation} (DAT), OS/MFT was improved to
      become {OS/VS1}, taking account of virtual storage in a single
      partition up to 16MB.
  
      (1999-01-22)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operation code
  
      (Or "op code") The part or parts of a {machine
      language} instruction which determines what kind of action the
      computer should take, e.g. add, jump, load, store.   In any
      particular {instruction set} certain fixed bit positions
      within the instruction word contain the op code, others give
      {parameters} such as the addresses or {registers} involved.
      For example, in a 32-bit instruction the most significant
      eight bits might be the op code giving 256 possible
      operations.
  
      For some instruction sets, certain values in the fixed bit
      positions may select a group of operations and the exact
      operation may depend on other bits within instruction word or
      subsequent words.
  
      When programming in {assembly language}, the op code is
      represented by a readable name called an {instruction
      mnemonic}.
  
      (1997-02-14)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operational database
  
      A {database} containing up-to-date, modifiable
      data, in contrast to a {decision support database}.
  
      (1995-02-14)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operational requirements
  
      Qualitative and quantitative parameters that
      specify the desired capabilities of a system and serve as a
      basis for determining the operational effectiveness and
      suitability of a system prior to deployment.
  
      (1997-01-07)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operational semantics
  
      A set of rules specifying how the state of an actual
      or hypothetical computer changes while executing a program.
      The overall state is typically divided into a number of
      components, e.g. {stack}, {heap}, {register}s etc.   Each rule
      specifies certain preconditions on the contents of some
      components and their new contents after the application of the
      rule.
  
      It is similar in spirit to the notion of a {Turing machine},
      in which actions are precisely described in a mathematical
      way.
  
      Compuare {axiomatic semantics}, {denotational semantics}.
  
      (1996-08-21)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operational test and evaluation
  
      (OT&E) Formal testing conducted prior to deployment
      to evaluate the operational effectiveness and suitability of
      the system with respect to its mission.
  
      (1997-01-07)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operational testing
  
      A US DoD term for testing performed by the
      {end-user} on software in its normal operating environment.
  
      (1997-01-07)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operator
  
      A symbol used as a {function}, with {infix
      syntax} if it has two arguments (e.g. "+") or {prefix syntax} if
      it has only one (e.g. {Boolean} NOT).   Many languages use
      operators for built-in functions such as arithmetic and logic.
  
      (1995-04-30)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   Operator Control Language
  
      (OCL) The {batch language} for the {IBM System/36},
      used specifically with the {RPG II} {compiler}.
  
      See also {CL}.
  
      (1994-11-18)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   operator overloading
  
      {overloading}
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   Opportunity Management System
  
      (OMS) A system that stores sales opportunities and
      related information.   Each sales lead can be tracked with
      information such as source, type, worth, status, likelihood of
      closure etc.
  
      An OMS can perform other related tasks such as prioritising
      sales calls and generating analyses that assist the fine-tuning
      of marketing strategies.
  
      See also {Customer Relationship Management}.
  
      (1999-08-20)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   Overdrive
  
      An {Intel} {Pentium} processor which fits into a
      socket designed to accomodate an {Intel 486}, or into a
      special upgrade socket on the {motherboard}.
  
      (1995-03-27)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   overhead
  
      1. Resources (in computing usually processing time or storage
      space) consumed for purposes which are incidental to, but
      necessary to, the main one.   Overheads are usually
      quantifiable "costs" of some kind.
  
      Examples: The overheads in running a business include the cost
      of heating the building.   Keeping a program running all the
      time eliminates the overhead of loading and initialising it
      for each transaction.   Turning a {subroutine} into {inline}
      code eliminates the call and return time overhead for each
      execution but introduces space overheads.
  
      2. information, such as control, routing, and
      error checking characters, that is transmitted along with the
      user data.   It also includes information such as network
      status or operational instructions, network routing
      information, and retransmissions of user data received in
      error.
  
      3. Overhead transparencies or "slides" (usually 8-1/2" x 11")
      that are projected to an audience via an overhead (flatbed)
      projector.
  
      (1997-09-01)
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   overriding
  
      Redefining in a {child class} a {method} or
      function member defined in a {parent class}.
  
      Not to be confused with "{overloading}".
  
      (1996-12-21)
  
  
No guarantee of accuracy or completeness!
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