air castle
         n 1: absentminded dreaming while awake [syn: {reverie},
               {revery}, {daydream}, {daydreaming}, {oneirism}, {air
               castle}, {castle in the air}, {castle in Spain}]

English Dictionary: Archeozoic eon	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
air cushion n the trapped air that supports a hovercraft a short distance above the water or ground a mechanical device using confined air to absorb the shock of motion Synonym(s): air cushion, air spring a cushion usually made of rubber or plastic that can be inflated Synonym(s): air cushion, inflatable cushion
From WordNet (r) 3.0 (2006) [wn]:
air gas n a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke Synonym(s): producer gas, air gas
From WordNet (r) 3.0 (2006) [wn]:
air jacket n an inflatable life jacket Synonym(s): Mae West, air jacket
From WordNet (r) 3.0 (2006) [wn]:
air sac n a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways Synonym(s): alveolus, air sac, air cell any of the thin-walled extensions of the tracheae of insects any of the membranous air-filled extensions of the lungs of birds
From WordNet (r) 3.0 (2006) [wn]:
air sick adj experiencing motion sickness [syn: airsick, air sick, carsick, seasick]
From WordNet (r) 3.0 (2006) [wn]:
air sickness n motion sickness experienced while traveling by air (especially during turbulence) Synonym(s): airsickness, air sickness
From WordNet (r) 3.0 (2006) [wn]:
air sock n a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind Synonym(s): windsock, wind sock, sock, air sock, air-sleeve, wind sleeve, wind cone, drogue
From WordNet (r) 3.0 (2006) [wn]:
airsick adj experiencing motion sickness [syn: airsick, air sick, carsick, seasick]
From WordNet (r) 3.0 (2006) [wn]:
airsickness n motion sickness experienced while traveling by air (especially during turbulence) Synonym(s): airsickness, air sickness
From WordNet (r) 3.0 (2006) [wn]:
araceous adj relating to a plant of the family Araceae [syn: aroid, araceous]
From WordNet (r) 3.0 (2006) [wn]:
Arachis n a genus of plants with pods that ripen underground (see peanut) Synonym(s): Arachis, genus Arachis
From WordNet (r) 3.0 (2006) [wn]:
Arachis hypogaea n widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground Synonym(s): peanut, peanut vine, Arachis hypogaea
From WordNet (r) 3.0 (2006) [wn]:
Araujia sericofera n robust twining shrub having racemes of fragrant white or pink flowers with flat spreading terminal petals that trap nocturnal moths and hold them until dawn Synonym(s): cruel plant, Araujia sericofera
From WordNet (r) 3.0 (2006) [wn]:
Araxes n a river that rises in northeastern Turkey (near the source of the Euphrates) and flows generally eastward through Armenia to the Caspian Sea; ancient name was Araxes Synonym(s): Aras, Araxes
From WordNet (r) 3.0 (2006) [wn]:
arc cosecant n the angle that has a cosecant equal to a given number [syn: arc cosecant, arccosecant, inverse cosecant]
From WordNet (r) 3.0 (2006) [wn]:
arc cosine n the inverse function of the cosine; the angle that has a cosine equal to a given number Synonym(s): arc cosine, arccosine, arccos, inverse cosine
From WordNet (r) 3.0 (2006) [wn]:
arc secant n the inverse function of the secant; the angle that has a secant equal to a given number Synonym(s): arc secant, arcsecant, arcsec, inverse secant
From WordNet (r) 3.0 (2006) [wn]:
arccos n the inverse function of the cosine; the angle that has a cosine equal to a given number Synonym(s): arc cosine, arccosine, arccos, inverse cosine
From WordNet (r) 3.0 (2006) [wn]:
arccosecant n the angle that has a cosecant equal to a given number [syn: arc cosecant, arccosecant, inverse cosecant]
From WordNet (r) 3.0 (2006) [wn]:
arccosine n the inverse function of the cosine; the angle that has a cosine equal to a given number Synonym(s): arc cosine, arccosine, arccos, inverse cosine
From WordNet (r) 3.0 (2006) [wn]:
arch support n a support for the arch of the foot
From WordNet (r) 3.0 (2006) [wn]:
archaeozoic adj of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms" Synonym(s): archeozoic, archaeozoic n the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life Synonym(s): Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
From WordNet (r) 3.0 (2006) [wn]:
Archaeozoic aeon n the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life Synonym(s): Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
From WordNet (r) 3.0 (2006) [wn]:
archaic adj so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws" Synonym(s): antediluvian, antiquated, archaic little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe" Synonym(s): archaic, primitive
From WordNet (r) 3.0 (2006) [wn]:
archaicism n the use of an archaic expression [syn: archaism, archaicism]
From WordNet (r) 3.0 (2006) [wn]:
archaise v give an archaic appearance of character to; "archaized craftwork" Synonym(s): archaize, archaise
From WordNet (r) 3.0 (2006) [wn]:
archaism n the use of an archaic expression [syn: archaism, archaicism]
From WordNet (r) 3.0 (2006) [wn]:
archaist n a person who archaizes an expert or collector of antiquities Synonym(s): antiquary, antiquarian, archaist
From WordNet (r) 3.0 (2006) [wn]:
archaistic adj imitative of an archaic style or manner; "archaistic writing"
From WordNet (r) 3.0 (2006) [wn]:
archaize v give an archaic appearance of character to; "archaized craftwork" Synonym(s): archaize, archaise
From WordNet (r) 3.0 (2006) [wn]:
archegonial adj of or relating to an archegonium [syn: archegonial, archegoniate]
From WordNet (r) 3.0 (2006) [wn]:
archegoniate adj of or relating to an archegonium [syn: archegonial, archegoniate]
From WordNet (r) 3.0 (2006) [wn]:
archegonium n a female sex organ occurring in mosses, ferns, and most gymnosperms
From WordNet (r) 3.0 (2006) [wn]:
archeozoic adj of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms" Synonym(s): archeozoic, archaeozoic n the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life Synonym(s): Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
From WordNet (r) 3.0 (2006) [wn]:
Archeozoic eon n the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life Synonym(s): Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
From WordNet (r) 3.0 (2006) [wn]:
Arches National Park n a national park in Utah including mountains and the Colorado River gorge and huge rock formations caused by erosion
From WordNet (r) 3.0 (2006) [wn]:
archespore n primitive cell or group of cells from which a mother cell develops Synonym(s): archespore, archesporium
From WordNet (r) 3.0 (2006) [wn]:
archesporial adj of or relating to the cells in a sporangium that give rise to spores
From WordNet (r) 3.0 (2006) [wn]:
archesporium n primitive cell or group of cells from which a mother cell develops Synonym(s): archespore, archesporium
From WordNet (r) 3.0 (2006) [wn]:
Archosargus n a genus of Sparidae [syn: Archosargus, {genus Archosargus}]
From WordNet (r) 3.0 (2006) [wn]:
Archosargus probatocephalus n large (up to 20 lbs) food fish of the eastern coast of the United States and Mexico Synonym(s): sheepshead, Archosargus probatocephalus
From WordNet (r) 3.0 (2006) [wn]:
Archosargus rhomboidalis n sea bream of warm Atlantic waters [syn: {Atlantic sea bream}, Archosargus rhomboidalis]
From WordNet (r) 3.0 (2006) [wn]:
archosaur n extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts Synonym(s): archosaur, archosaurian, archosaurian reptile
From WordNet (r) 3.0 (2006) [wn]:
Archosauria n a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts Synonym(s): Archosauria, subclass Archosauria
From WordNet (r) 3.0 (2006) [wn]:
archosaurian adj of or relating to reptiles of the subclass Archosauria n extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts Synonym(s): archosaur, archosaurian, archosaurian reptile
From WordNet (r) 3.0 (2006) [wn]:
archosaurian reptile n extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts Synonym(s): archosaur, archosaurian, archosaurian reptile
From WordNet (r) 3.0 (2006) [wn]:
arcsec n the inverse function of the secant; the angle that has a secant equal to a given number Synonym(s): arc secant, arcsecant, arcsec, inverse secant
From WordNet (r) 3.0 (2006) [wn]:
arcsecant n the inverse function of the secant; the angle that has a secant equal to a given number Synonym(s): arc secant, arcsecant, arcsec, inverse secant
From WordNet (r) 3.0 (2006) [wn]:
arcsecond n a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here" Synonym(s): second, arcsecond
From WordNet (r) 3.0 (2006) [wn]:
arcus n a whitish deposit in the shape of an arc that is sometimes seen in the cornea Synonym(s): arcus, arcus senilis
From WordNet (r) 3.0 (2006) [wn]:
arcus senilis n a whitish deposit in the shape of an arc that is sometimes seen in the cornea Synonym(s): arcus, arcus senilis
From WordNet (r) 3.0 (2006) [wn]:
arcus zygomaticus n the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone Synonym(s): zygoma, zygomatic arch, arcus zygomaticus
From WordNet (r) 3.0 (2006) [wn]:
Areca catechu n southeastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk) Synonym(s): betel palm, Areca catechu
From WordNet (r) 3.0 (2006) [wn]:
Arecaceae n chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales Synonym(s): Palmae, family Palmae, Palmaceae, family Palmaceae, Arecaceae, family Arecaceae, palm family
From WordNet (r) 3.0 (2006) [wn]:
argasid n tick lacking a dorsal shield and having mouth parts on the under side of the head Synonym(s): soft tick, argasid
From WordNet (r) 3.0 (2006) [wn]:
Argasidae n soft ticks Synonym(s): Argasidae, family Argasidae
From WordNet (r) 3.0 (2006) [wn]:
Argos n an ancient city in southeastern Greece; dominated the Peloponnese in the 7th century BC
From WordNet (r) 3.0 (2006) [wn]:
argosy n one or more large merchant ships
From WordNet (r) 3.0 (2006) [wn]:
Argus n (Greek mythology) a giant with 100 eyes; was guardian of the heifer Io and was slain by Hermes large brilliantly patterned East Indian pheasant Synonym(s): argus, argus pheasant
From WordNet (r) 3.0 (2006) [wn]:
argus pheasant n large brilliantly patterned East Indian pheasant [syn: argus, argus pheasant]
From WordNet (r) 3.0 (2006) [wn]:
argus-eyed adj having very keen vision; "quick-sighted as a cat" [syn: argus-eyed, hawk-eyed, keen-sighted, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted] carefully observant or attentive; on the lookout for possible danger; "a policy of open-eyed awareness"; "the vigilant eye of the town watch"; "there was a watchful dignity in the room"; "a watchful parent with a toddler in tow" Synonym(s): argus-eyed, open-eyed, vigilant, wakeful
From WordNet (r) 3.0 (2006) [wn]:
Argusianus n argus pheasants Synonym(s): Argusianus, genus Argusianus
From WordNet (r) 3.0 (2006) [wn]:
aurochs n European bison having a smaller and higher head than the North American bison Synonym(s): wisent, aurochs, Bison bonasus large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle Synonym(s): aurochs, urus, Bos primigenius
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
A89rocyst \A"[89]r*o*cyst\, n. [A[89]ro- + cyst.] (Bot.)       One of the air cells of algals.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
14. (Paint.)             (a) The representation or reproduction of the effect of                   the atmospheric medium through which every object in                   nature is viewed. --New Am. Cyc.             (b) Carriage; attitude; action; movement; as, the head of                   that portrait has a good air. --Fairholt.          15. (Man.) The artificial motion or carriage of a horse.          Note: Air is much used adjectively or as the first part of a                compound term. In most cases it might be written                indifferently, as a separate limiting word, or as the                first element of the compound term, with or without the                hyphen; as, air bladder, air-bladder, or airbladder;                air cell, air-cell, or aircell; air-pump, or airpump.          {Air balloon}. See {Balloon}.          {Air bath}.             (a) An apparatus for the application of air to the body.             (b) An arrangement for drying substances in air of any                   desired temperature.          {Air castle}. See {Castle in the air}, under {Castle}.          {Air compressor}, a machine for compressing air to be used as             a motive power.          {Air crossing}, a passage for air in a mine.          {Air cushion}, an air-tight cushion which can be inflated;             also, a device for arresting motion without shock by             confined air.          {Air fountain}, a contrivance for producing a jet of water by             the force of compressed air.          {Air furnace}, a furnace which depends on a natural draft and             not on blast.          {Air line}, a straight line; a bee line. Hence          {Air-line}, adj.; as, air-line road.          {Air lock} (Hydr. Engin.), an intermediate chamber between             the outer air and the compressed-air chamber of a             pneumatic caisson. --Knight.          {Air port} (Nav.), a scuttle or porthole in a ship to admit             air.          {Air spring}, a spring in which the elasticity of air is             utilized.          {Air thermometer}, a form of thermometer in which the             contraction and expansion of air is made to measure             changes of temperature.          {Air threads}, gossamer.          {Air trap}, a contrivance for shutting off foul air or gas             from drains, sewers, etc.; a stench trap.          {Air trunk}, a pipe or shaft for conducting foul or heated             air from a room.          {Air valve}, a valve to regulate the admission or egress of             air; esp. a valve which opens inwardly in a steam boiler             and allows air to enter.          {Air way}, a passage for a current of air; as the air way of             an air pump; an air way in a mine.          {In the air}.             (a) Prevalent without traceable origin or authority, as                   rumors.             (b) Not in a fixed or stable position; unsettled.             (c) (Mil.) Unsupported and liable to be turned or taken                   in flank; as, the army had its wing in the air.          {To take air}, to be divulged; to be made public.          {To take the air}, to go abroad; to walk or ride out.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Air cock \Air" cock`\       A faucet to allow escape of air.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
14. (Paint.)             (a) The representation or reproduction of the effect of                   the atmospheric medium through which every object in                   nature is viewed. --New Am. Cyc.             (b) Carriage; attitude; action; movement; as, the head of                   that portrait has a good air. --Fairholt.          15. (Man.) The artificial motion or carriage of a horse.          Note: Air is much used adjectively or as the first part of a                compound term. In most cases it might be written                indifferently, as a separate limiting word, or as the                first element of the compound term, with or without the                hyphen; as, air bladder, air-bladder, or airbladder;                air cell, air-cell, or aircell; air-pump, or airpump.          {Air balloon}. See {Balloon}.          {Air bath}.             (a) An apparatus for the application of air to the body.             (b) An arrangement for drying substances in air of any                   desired temperature.          {Air castle}. See {Castle in the air}, under {Castle}.          {Air compressor}, a machine for compressing air to be used as             a motive power.          {Air crossing}, a passage for air in a mine.          {Air cushion}, an air-tight cushion which can be inflated;             also, a device for arresting motion without shock by             confined air.          {Air fountain}, a contrivance for producing a jet of water by             the force of compressed air.          {Air furnace}, a furnace which depends on a natural draft and             not on blast.          {Air line}, a straight line; a bee line. Hence          {Air-line}, adj.; as, air-line road.          {Air lock} (Hydr. Engin.), an intermediate chamber between             the outer air and the compressed-air chamber of a             pneumatic caisson. --Knight.          {Air port} (Nav.), a scuttle or porthole in a ship to admit             air.          {Air spring}, a spring in which the elasticity of air is             utilized.          {Air thermometer}, a form of thermometer in which the             contraction and expansion of air is made to measure             changes of temperature.          {Air threads}, gossamer.          {Air trap}, a contrivance for shutting off foul air or gas             from drains, sewers, etc.; a stench trap.          {Air trunk}, a pipe or shaft for conducting foul or heated             air from a room.          {Air valve}, a valve to regulate the admission or egress of             air; esp. a valve which opens inwardly in a steam boiler             and allows air to enter.          {Air way}, a passage for a current of air; as the air way of             an air pump; an air way in a mine.          {In the air}.             (a) Prevalent without traceable origin or authority, as                   rumors.             (b) Not in a fixed or stable position; unsettled.             (c) (Mil.) Unsupported and liable to be turned or taken                   in flank; as, the army had its wing in the air.          {To take air}, to be divulged; to be made public.          {To take the air}, to go abroad; to walk or ride out.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Air gas \Air" gas`\       See under {Gas}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Note: Gas is often used adjectively or in combination; as,                gas fitter or gasfitter; gas meter or gas-meter, etc.          {Air gas} (Chem.), a kind of gas made by forcing air through             some volatile hydrocarbon, as the lighter petroleums. The             air is so saturated with combustible vapor as to be a             convenient illuminating and heating agent.          {Gas battery} (Elec.), a form of voltaic battery, in which             gases, especially hydrogen and oxygen, are the active             agents.          {Gas carbon}, {Gas coke}, etc. See under {Carbon}, {Coke},             etc.          {Gas coal}, a bituminous or hydrogenous coal yielding a high             percentage of volatile matters, and therefore available             for the manufacture of illuminating gas. --R. W. Raymond.          {Gas engine}, an engine in which the motion of the piston is             produced by the combustion or sudden production or             expansion of gas; -- especially, an engine in which an             explosive mixture of gas and air is forced into the             working cylinder and ignited there by a gas flame or an             electric spark.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Air jacket \Air" jack`et\       A jacket having air-tight cells, or cavities which can be       filled with air, to render persons buoyant in swimming.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Air sac \Air" sac`\ (Anat.)       One of the spaces in different parts of the bodies of birds,       which are filled with air and connected with the air passages       of the lungs; an air cell.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Airsick \Air`sick`\, a.       Affected with a[89]rial sickness. -- {Air"sick`ness}, n.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Airsick \Air`sick`\, a.       Affected with a[89]rial sickness. -- {Air"sick`ness}, n.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Intercolumniation \In`ter*co*lum`ni*a"tion\, n. (Arch.)       The clear space between two columns, measured at the bottom       of their shafts. --Gwilt.          Note: It is customary to measure the intercolumniation in                terms of the diameter of the shaft, taken also at the                bottom. Different words, derived from the Greek, are in                use to denote certain common proportions. They are:                {Pycnostyle}, when the intercolumniation is of one and                a half diameters; {Systyle}, of two diameters;                {Eustyle}, of two and a quarter diameters; {Diastyle},                of three diameters; {Ar[91]ostyle}, of four or more,                and so great that a wooden architrave has to be used                instead of stone; {Ar[91]osystyle}, when the                intercolumniations are alternately systyle and                ar[91]ostyle.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ar91osystyle \A*r[91]`o*sys"tyle\, a. & n. [Gr. [?] as intervals       + [?]. See {Systyle}.] (Arch.)       See {Intercolumniation}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Araceous \A*ra"ceous\, a. [L. arum a genus of plants, fr. Gr.       [?].] (Bot.)       Of or pertaining to an order of plants, of which the genus       {Arum} is the type.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Peanut \Pea"nut\, n. (Bot.)       The fruit of a trailing leguminous plant ({Arachis       hypog[91]a}); also, the plant itself, which is widely       cultivated for its fruit.          Note: The fruit is a hard pod, usually containing two or                three seeds, sometimes but one, which ripen beneath the                soil. Called also {earthnut}, {groundnut}, and                {goober}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Pindal \Pin"dal\, Pindar \Pin"dar\, n. [D. piendel.] (Bot.)       The peanut ({Arachis hypog[91]a}); -- so called in the West       Indies.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Groundnut \Ground"nut`\ (-n[ucr]t`), n. (Bot.)       (a) The fruit of the {Arachis hypog[91]a} (native country             uncertain); the peanut; the earthnut.       (b) A leguminous, twining plant ({Apios tuberosa}), producing             clusters of dark purple flowers and having a root             tuberous and pleasant to the taste.       (c) The dwarf ginseng ({Aralia trifolia}). [U. S.] --Gray.       (d) A European plant of the genus {Bunium} ({B. flexuosum}),             having an edible root of a globular shape and sweet,             aromatic taste; -- called also {earthnut}, {earth             chestnut}, {hawknut}, and {pignut}. [1913 Webster]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Hypog91ic \Hyp`o*g[91]"ic\, a. [Pref. hypo- + Gr. gai^a, gh^,       earth.] (Chem.)       Pertaining to, or obtained from, the peanut, or earthnut       ({Arachis hypog[91]a}).          {Hypog[91]ic acid} (Chem.), an acid in the oil of the             earthnut, in which it exists as a glyceride, and from             which it is extracted as a white, crystalline substance.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arch stone \Arch" stone`\       A wedge-shaped stone used in an arch; a voussoir.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arch91ography \Ar`ch[91]*og"ra*phy\, n. [Gr. [?] ancient +       -graphy.]       A description of, or a treatise on, antiquity or antiquities.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arch91ostomatous \Ar`ch[91]*o*stom"a*tous\, a. [Gr. 'archai^os       ancient + sto`ma mouth.] (Biol.)       Applied to a gastrula when the blastopore does not entirely       close up.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arch91ozoic \Ar`ch[91]*o*zo"ic\, a. [Gr. 'archai^os ancient +       zw^,on animal.] (Zo[94]l.)       Like or belonging to the earliest forms of animal life.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaic \Ar*cha"ic\, a. [Gr. 'archai:ko`s old-fashioned, fr.       'archai^os ancient.]       Of or characterized by antiquity or archaism; antiquated;       obsolescent.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaical \Ar*cha"ic*al\, a.       Archaic. [R.] -- {Ar*cha"ic*al*ly}, adv.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaical \Ar*cha"ic*al\, a.       Archaic. [R.] -- {Ar*cha"ic*al*ly}, adv.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaism \Ar"cha*ism\, n. [Gr. 'archai:smo`s, fr. 'archai^os       ancient, fr. 'archh` beginning: cf. F. archa[8b]sme. See       {Arch}, a.]       1. An ancient, antiquated, or old-fashioned, word,             expression, or idiom; a word or form of speech no longer             in common use.          2. Antiquity of style or use; obsoleteness.                         A select vocabulary corresponding (in point of                      archaism and remoteness from ordinary use) to our                      Scriptural vocabulary.                        --De Quincey.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaist \Ar"cha*ist\, n.       1. Am antiquary.          2. One who uses archaisms.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaistic \Ar`cha*is"tic\, a.       Like, or imitative of, anything archaic; pertaining to an       archaism.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaize \Ar"cha*ize\, v. t. [imp. & p. p. {Archaized}; p. pr. &       vb. n. {Archaizing}.] [Gr. 'archai:`zein.]       To make appear archaic or antique. --Mahaffy.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaize \Ar"cha*ize\, v. t. [imp. & p. p. {Archaized}; p. pr. &       vb. n. {Archaizing}.] [Gr. 'archai:`zein.]       To make appear archaic or antique. --Mahaffy.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archaize \Ar"cha*ize\, v. t. [imp. & p. p. {Archaized}; p. pr. &       vb. n. {Archaizing}.] [Gr. 'archai:`zein.]       To make appear archaic or antique. --Mahaffy.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archchamberlain \Arch`cham"ber*lain\, n. [Cf. G. erzk[84]mmerer.       See {Arch-}, pref.]       A chief chamberlain; -- an officer of the old German empire,       whose office was similar to that of the great chamberlain in       England.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archchancellor \Arch`chan"cel*lor\, n. [Cf. Ger. erzkanzler. See       {Arch-}, pref.]       A chief chancellor; -- an officer in the old German empire,       who presided over the secretaries of the court.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archchemic \Arch`chem"ic\, a.       Of supreme chemical powers. [R.] [bd]The archchemic sun.[b8]       --Milton.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archegonial \Ar`che*go"ni*al\, a.       Relating to the archegonium.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archegony \Ar*cheg"o*ny\, n. [See {Archegonium}.] (Biol.)       Spontaneous generation; abiogenesis.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arches \Arch"es\,       pl. of {Arch}, n.          {Court of arches}, or {Arches Court} (Eng. Law), the court of             appeal of the Archbishop of Canterbury, whereof the judge,             who sits as deputy to the archbishop, is called the Dean             of the Arches, because he anciently held his court in the             church of St. Mary-le-Bow (de arcubus). It is now held in             Westminster. --Mozley & W.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arches \Arch"es\,       pl. of {Arch}, n.          {Court of arches}, or {Arches Court} (Eng. Law), the court of             appeal of the Archbishop of Canterbury, whereof the judge,             who sits as deputy to the archbishop, is called the Dean             of the Arches, because he anciently held his court in the             church of St. Mary-le-Bow (de arcubus). It is now held in             Westminster. --Mozley & W.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archical \Ar"chi*cal\, a. [Gr. [?] able to govern, fr. [?]       beginning, government. See {Arch-}, pref.]       Chief; primary; primordial. [Obs.] --Cudworth.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Sheepshead \Sheeps"head`\, n. [So called because of the fancied       resemblance of its head and front teeth to those of a sheep.]       (Zo[94]l.)       A large and valuable sparoid food fish ({Archosargus, [or]       Diplodus, probatocephalus}) found on the Atlantic coast of       the United States. It often weighs from ten to twelve pounds.          Note: The name is also locally, in a loose way, applied to                various other fishes, as the butterfish, the                fresh-water drumfish, the parrot fish, the porgy, and                the moonfish.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Archwise \Arch"wise\, adv.       Arch-shaped.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arcograph \Arc"o*graph\, n. [L. arcus (E. arc) + -graph.]       An instrument for drawing a circular arc without the use of a       central point; a cyclograph.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Areosystyle \A*re`o*sys"tyle\, a. & n.       See {Intercolumniation}, and {Ar[91]osystyle}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
2. A word of endearment for one regarded as pure and gentle.                         O my dove, . . . let me hear thy voice. --Cant. ii.                                                                               14.          {Dove tick} (Zo[94]l.), a mite ({Argas reflexus}) which             infests doves and other birds.          {Soiled dove}, a prostitute. [Slang]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Argosy \Ar"go*sy\, n.; pl. {Argosies}. [Earlier ragusy, fr.       ragusa meaning orig. a vessel of Ragusa.]       A large ship, esp. a merchant vessel of the largest size.                   Where your argosies with portly sail . . . Do overpeer                the petty traffickers.                           --Shak.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Argosy \Ar"go*sy\, n.; pl. {Argosies}. [Earlier ragusy, fr.       ragusa meaning orig. a vessel of Ragusa.]       A large ship, esp. a merchant vessel of the largest size.                   Where your argosies with portly sail . . . Do overpeer                the petty traffickers.                           --Shak.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Argus shell \Ar"gus shell`\ (Zo[94]l.)       A species of shell ({Cypr[91]a argus}), beautifully       variegated with spots resembling those in a peacock's tail.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Argus-eyed \Ar"gus-eyed\, a.       Extremely observant; watchful; sharp-sighted.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arhizal \A*rhi"zal\, Arhizous \A*rhi"zous\, Arhythmic    \A*rhyth"mic\, Arhythmous \A*rhyth"mous\, a.       See {Arrhizal}, {Arrhizous}, {Arrhythmic}, {Arrhythmous}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arkose \Ar*kose"\, n. [F] (Petrog)       A sandstone derived from the disintegration of granite or       gneiss, and characterized by feldspar fragments. --       {Ar*kos"ic}, a.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arkose \Ar*kose"\, n. [F] (Petrog)       A sandstone derived from the disintegration of granite or       gneiss, and characterized by feldspar fragments. --       {Ar*kos"ic}, a.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arraswise \Ar"ras*wise`\, Arrasways \Ar"ras*ways`\, adv. [Prob.       a corruption of arriswise. See {Arris}.]       Placed in such a position as to exhibit the top and two       sides, the corner being in front; -- said of a rectangular       form. --Encyc. Brit. Cussans.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arraswise \Ar"ras*wise`\, Arrasways \Ar"ras*ways`\, adv. [Prob.       a corruption of arriswise. See {Arris}.]       Placed in such a position as to exhibit the top and two       sides, the corner being in front; -- said of a rectangular       form. --Encyc. Brit. Cussans.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arrhizal \Ar*rhi"zal\, Arrhizous \Ar*rhi"zous\, a. [Gr. [?] not       rooted; 'a priv. + [?] a root.] (Bot.)       Destitute of a true root, as a parasitical plant.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arriswise \Ar"ris*wise`\, adv.       Diagonally laid, as tiles; ridgewise.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Arsesmart \Arse"smart\, n.       Smartweed; water pepper. --Dr. Prior.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Aurochs \Au"rochs\ ([add]"r[ocr]ks), n. [G. auerochs, OHG.       [umac]rohso; [umac]r (cf. AS. [umac]r) + ohso ox, G. ochs.       Cf. {Owre}, {Ox}.] (Zo[94]l.)       The European bison ({Bison bonasus, [or] Europ[91]us}), once       widely distributed, but now nearly extinct, except where       protected in the Lithuanian forests, and perhaps in the       Caucasus. It is distinct from the Urus of C[91]sar, with       which it has often been confused.
From U.S. Gazetteer (1990) [gazetteer]:
Argos, IN (town, FIPS 2044)       Location: 41.23773 N, 86.24767 W       Population (1990): 1642 (614 housing units)       Area: 1.7 sq km (land), 0.0 sq km (water)       Zip code(s): 46501
From U.S. Gazetteer (1990) [gazetteer]:
Argus, CA       Zip code(s): 93562
From U.S. Gazetteer (1990) [gazetteer]:
Argusville, ND (city, FIPS 3020)       Location: 47.05060 N, 96.94098 W       Population (1990): 161 (56 housing units)       Area: 10.3 sq km (land), 0.0 sq km (water)       Zip code(s): 58005
From U.S. Gazetteer (1990) [gazetteer]:
Arroyo Seco, NM       Zip code(s): 87514
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
Argus          A successor to {CLU}, from LCS at {MIT}.   Argus       supports {distributed programming} through {guardians} (like       {monitors}, but can be created dynamically) and {atomic       actions} (indivisible activity).   It also has {cobegin} and       coend.          ["Argus Reference Manual", B. Liskov et al., TR-400, MIT/LCS,       1987].          ["Guardians and Actions: Linguistic Support for Robust,       Distributed Programs", B. Liskov et al,       TOPLAS 5(3):381-404 (1983)].          (1995-12-28)