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hopper |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Jack \Jack\, n. [F. Jacques James, L. Jacobus, Gr ?, Heb. Ya 'aq[=o]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. ``Jack fool.'' --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["o]l.) a A young pike; a pickerel. b The jurel. c A large California rock fish ({Sebastodes paucispinus}); -- called also {boccaccio}, and {m['e]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[ae]}. They have long antenn[ae], 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["o]l.) a young lobster. [Local, U. S.] {Grasshopper warbler} (Zo["o]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["o]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. From WordNet r 1.6 [wn]: hopper n 1: funnel-shaped; contents pass by gravity into a receptacle below 2: a machine used for picking hops [syn: {hop-picker}]
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