Definition of jack

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"Jack (n.) A system of gearing driven by a horse power, for multiplying speed..

Lern More About Jack

Jackass :: Jackass (n.) A conceited dolt; a perverse blockhead.
Jack :: "Jack (n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou..
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..
Jacksnipe :: "Jacksnipe (n.) A small American sandpiper (Tringa maculata); -- called also pectoral sandpiper, and grass snipe..
Jackstraw :: "Jackstraw (n.) An effigy stuffed with straw; a scarecrow; hence, a man without property or influence..
Jacket :: Jacket (v. t.) To thrash; to beat.
Rhamnaceous :: Rhamnaceous (a.) Of or pertaining to a natural order of shrubs and trees (Rhamnaceae, or Rhamneae) of which the buckthorn (Rhamnus) is the type. It includes also the New Jersey tea, the supple-jack, and one of the plants called lotus (Zizyphus)..
Jack :: Jack (n.) A sawhorse or sawbuck.
Basque :: Basque (n.) A part of a lady's dress, resembling a jacket with a short skirt; -- probably so called because this fashion of dress came from the Basques..
Bootjack :: Bootjack (n.) A device for pulling off boots.
Ululate :: Ululate (v. i.) To howl, as a dog or a wolf; to wail; as, ululating jackals..
Split :: Split (v. i.) to divide one hand of blackjack into two hands, allowed when the first two cards dealt to a player have the same value..
Jack :: "Jack (n.) 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..
Jackstone :: Jackstone (n.) One of the pebbles or pieces used in the game of jackstones.
Pike :: Pike (sing. & pl.) A large fresh-water fish (Esox lucius), found in Europe and America, highly valued as a food fish; -- called also pickerel, gedd, luce, and jack..
Ketch :: Ketch (n.) A hangman. See Jack Ketch.
Black-jack :: Black-jack (n.) The Quercus nigra, or barren oak..
Jack :: Jack (n.) The jurel.
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..
Crick :: Crick (n.) A small jackscrew.
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