Definition of jack

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Jack (n.) A wooden wedge for separating rocks rent by blasting.

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Jackal :: "Jackal (n.) Any one of several species of carnivorous animals inhabiting Africa and Asia, related to the dog and wolf. They are cowardly, nocturnal, and gregarious. They feed largely on carrion, and are noted for their piercing and dismal howling..
Crick :: Crick (n.) A small jackscrew.
Pea-jacket :: Pea-jacket (n.) A thick loose woolen jacket, or coat, much worn by sailors in cold weather..
Jack :: "Jack (n.) A familiar nickname of, or substitute for, John..
Jack :: Jack (n.) A lever for depressing the sinkers which push the loops down on the needles.
Jurel :: "Jurel (n.) A yellow carangoid fish of the Atlantic and Gulf coasts (Caranx chrysos), most abundant southward, where it is valued as a food fish; -- called also hardtail, horse crevalle, jack, buffalo jack, skipjack, yellow mackerel, and sometimes, improperly, horse mackerel. Other species of Caranx (as C. fallax) are also sometimes called jurel..
Jack :: "Jack (n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou..
Varlet :: Varlet (n.) In a pack of playing cards, the court card now called the knave, or jack..
Jackpudding :: Jackpudding (n.) A merry-andrew; a buffoon.
Plane :: Plane (a.) A tool for smoothing boards or other surfaces of wood, for forming moldings, etc. It consists of a smooth-soled stock, usually of wood, from the under side or face of which projects slightly the steel cutting edge of a chisel, called the iron, which inclines backward, with an apperture in front for the escape of shavings; as, the jack plane; the smoothing plane; the molding plane, etc..
Spencer :: Spencer (n.) A short jacket worn by men and by women.
Jack :: "Jack (n.) A coarse and cheap mediaeval coat of defense, esp. one made of leather..
Skipjack :: Skipjack (n.) An elater; a snap bug, or snapping beetle..
Jacketed :: "Jacketed (a.) Wearing, or furnished with, a jacket..
Jackscrew :: "Jackscrew (n.) A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5..
Jacket :: "Jacket (n.) A garment resembling a waistcoat lined with cork, to serve as a life preserver; -- called also cork jacket..
Jackstone :: Jackstone (n.) One of the pebbles or pieces used in the game of jackstones.
Jack :: "Jack (n.) A compact, portable machine for planing metal..
Jack :: Jack (n.) The knave of a suit of playing cards.
Jack :: Jack (n.) A pitcher or can of waxed leather; -- called also black jack.
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