Definition of jack

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Jack (n.) A device to pull off boots.

Lern More About Jack

Black-jack :: Black-jack (n.) The ensign of a pirate.
Jackwood :: "Jackwood (n.) Wood of the jack (Artocarpus integrifolia), used in cabinetwork..
Jack :: "Jack (n.) 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.
Jack :: "Jack (n.) A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow..
Jack :: "Jack (n.) 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..
Cheap-jack :: Cheap-jack (n.) Alt. of Cheap-joh.
Jacket :: Jacket (v. t.) To thrash; to beat.
Jakwood :: Jakwood (n.) See Jackwood.
Jack-o''-lantern :: "Jack-o'-lantern (n.) See Jack-with-a-lantern, under 2d Jack..
Ignis Fatuus :: Ignis fatuus () A phosphorescent light that appears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; -- popularly called also Will-with-the-wisp, or Will-o'-the-wisp, and Jack-with-a-lantern, or Jack-o'-lantern..
Jack :: Jack (n.) A wooden wedge for separating rocks rent by blasting.
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..
Kadder :: Kadder (n.) The jackdaw.
Skipjack :: Skipjack (n.) A shallow sailboat with a rectilinear or V-shaped cross section.
Juppon :: "Juppon (n.) A sleeveless jacket worn over the armor in the 14th century. It fitted closely, and descended below the hips..
Camisole :: Camisole (n.) A short dressing jacket for women.
Horse :: Horse (a.) A jackstay.
Blende :: Blende (n.) A mineral, called also sphalerite, and by miners mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous..
Jack :: "Jack (n.) A coarse and cheap mediaeval coat of defense, esp. one made of leather..
Jackass :: Jackass (n.) A conceited dolt; a perverse blockhead.
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