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

Jack :: "Jack (v. t.) To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5..
Jacket :: "Jacket (n.) In ordnance, a strengthening band surrounding and reenforcing the tube in which the charge is fired..
Honor :: Honor (n.) The ace, king, queen, and jack of trumps. The ten and nine are sometimes called Dutch honors..
Apple-jack :: Apple-jack (n.) Apple brandy.
Triddler :: Triddler (n.) The jacksnipe.
Camisole :: Camisole (n.) A kind of straitjacket.
Jack :: "Jack (n.) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack..
Varlet :: Varlet (n.) In a pack of playing cards, the court card now called the knave, or jack..
Mistress :: Mistress (n.) The old name of the jack at bowls.
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..
Jerkin :: Jerkin (n.) A jacket or short coat; a close waistcoat.
Crossjack :: Crossjack (n.) The lowest square sail, or the lower yard of the mizzenmast..
Air Jacket :: Air jacket () A jacket having air-tight cells, or cavities which can be filled with air, to render persons buoyant in swimming..
Jane-of-apes :: "Jane-of-apes (n.) A silly, pert girl; -- corresponding to jackanapes..
Jack :: Jack (n.) A lever for depressing the sinkers which push the loops down on the needles.
Jack :: "Jack (n.) A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat..
Spinet :: Spinet (n.) A keyed instrument of music resembling a harpsichord, but smaller, with one string of brass or steel wire to each note, sounded by means of leather or quill plectrums or jacks. It was formerly much used..
Grego :: Grego (n.) A short jacket or cloak, made of very thick, coarse cloth, with a hood attached, worn by the Greeks and others in the Levant..
Jakwood :: Jakwood (n.) See Jackwood.
Ululate :: Ululate (v. i.) To howl, as a dog or a wolf; to wail; as, ululating jackals..
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