English Dictionary: hopper | by the DICT Development Group |
4 results for hopper | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Jack \Jack\, n. [F. Jacques James, L. Jacobus, Gr. [?], Heb. Ya 'aq[omac]b Jacob; prop., seizing by the heel; hence, a supplanter. Cf. {Jacobite}, {Jockey}.] 1. A familiar nickname of, or substitute for, John. You are John Rugby, and you are Jack Rugby. --Shak. 2. An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic. [bd]Jack fool.[b8] --Chaucer. Since every Jack became a gentleman, There 's many a gentle person made a Jack. --Shak. 3. A popular colloquial name for a sailor; -- called also {Jack tar}, and {Jack afloat}. 4. A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack; as: (a) A device to pull off boots. (b) A sawhorse or sawbuck. (c) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack. (b) (Mining) A wooden wedge for separating rocks rent by blasting. (e) (Knitting Machine) A lever for depressing the sinkers which push the loops down on the needles. (f) (Warping Machine) A grating to separate and guide the threads; a heck box. (g) (Spinning) A machine for twisting the sliver as it leaves the carding machine. (h) A compact, portable machine for planing metal. (i) A machine for slicking or pebbling leather. (k) A system of gearing driven by a horse power, for multiplying speed. (l) A hood or other device placed over a chimney or vent pipe, to prevent a back draught. (m) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also {hopper}. (n) In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself. --C. Hallock. 5. A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack. 6. The small bowl used as a mark in the game of bowls. --Shak. Like an uninstructed bowler who thinks to attain the jack by delivering his bowl straight forward upon it. --Sir W. Scott. 7. The male of certain animals, as of the ass. 8. (Zo[94]l.) (a) A young pike; a pickerel. (b) The jurel. (c) A large, California rock fish ({Sebastodes paucispinus}); -- called also {boccaccio}, and {m[82]rou}. (d) The wall-eyed pike. 9. A drinking measure holding half a pint; also, one holding a quarter of a pint. [Prov. Eng.] --Halliwell. 10. (Naut.) (a) A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also {union jack}. The American jack is a small blue flag, with a star for each State. (b) A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also {jack crosstree}. --R. H. Dana, Jr. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Note: The meadow or green grasshoppers belong to the {Locustid[91]}. They have long antenn[91], large ovipositors, and stridulating organs at the base of the wings in the male. The European great green grasshopper ({Locusta viridissima}) belongs to this family. The common American green species mostly belong to {Xiphidium}, {Orchelimum}, and {Conocephalus}. 2. In ordinary square or upright pianos of London make, the escapement lever or jack, so made that it can be taken out and replaced with the key; -- called also the {hopper.} --Grove. {Grasshopper engine}, a steam engine having a working beam with its fulcrum at one end, the steam cylinder at the other end, and the connecting rod at an intermediate point. {Grasshopper lobster} (Zo[94]l.) a young lobster. [Local, U. S.] {Grasshopper warbler} (Zo[94]l.), cricket bird. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Hopper \Hop"per\, n. [See 1st {Hop}.] 1. One who, or that which, hops. 2. A chute, box, or receptacle, usually funnel-shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with its trough through which grain passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc., into a car. 3. (Mus.) See {Grasshopper}, 2. 4. pl. A game. See {Hopscotch}. --Johnson. 5. (Zo[94]l.) (a) See {Grasshopper}, and {Frog hopper}, {Grape hopper}, {Leaf hopper}, {Tree hopper}, under {Frog}, {Grape}, {Leaf}, and {Tree}. (b) The larva of a cheese fly. 6. (Naut.) A vessel for carrying waste, garbage, etc., out to sea, so constructed as to discharge its load by a mechanical contrivance; -- called also {dumping scow}. {Bell and hopper} (Metal.), the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. {Hopper boy}, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an opening in the floor, through which it falls. {Hopper closet}, a water-closet, without a movable pan, in which the receptacle is a funnel standing on a draintrap. {Hopper cock}, a faucet or valve for flushing the hopper of a water-closet. |