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 (n.) A wooden wedge for separating rocks rent by blasting.
Jack :: Jack (n.) A machine for slicking or pebbling leather.
Jak :: Jak (n.) see Ils Jack.
Jack :: Jack (n.) A machine for twisting the sliver as it leaves the carding machine.
Jackpudding :: Jackpudding (n.) A merry-andrew; a buffoon.
Jackstraw :: "Jackstraw (n.) An effigy stuffed with straw; a scarecrow; hence, a man without property or influence..
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..
Sontag :: Sontag (n.) A knitted worsted jacket, worn over the waist of a woman's dress..
Jacket :: "Jacket (n.) An outer covering for anything, esp. a covering of some nonconducting material such as wood or felt, used to prevent radiation of heat, as from a steam boiler, cylinder, pipe, etc..
Smokejack :: Smokejack (n.) A contrivance for turning a spit by means of a fly or wheel moved by the current of ascending air in a chimney.
Skipjack :: Skipjack (n.) A name given to several kinds of a fish, as the common bluefish, the alewife, the bonito, the butterfish, the cutlass fish, the jurel, the leather jacket, the runner, the saurel, the saury, the threadfish, etc..
Jack :: "Jack (n.) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper..
Jackass :: Jackass (n.) A conceited dolt; a perverse blockhead.
Black-jack :: Black-jack (n.) A name given by English miners to sphalerite, or zinc blende; -- called also false galena. See Blende..
Daw :: Daw (n.) A European bird of the Crow family (Corvus monedula), often nesting in church towers and ruins; a jackdaw..
Jackal :: "Jackal (n.) One who does mean work for another's advantage, as jackals were once thought to kill game which lions appropriated..
Straight :: Straight (superl.) Composed of cards which constitute a regular sequence, as the ace, king, queen, jack, and ten-spot; as, a straight hand; a straight flush..
Jack :: Jack (n.) A pitcher or can of waxed leather; -- called also black jack.
Jane-of-apes :: "Jane-of-apes (n.) A silly, pert girl; -- corresponding to jackanapes..
Color :: Color (n.) A distinguishing badge, as a flag or similar symbol (usually in the plural); as, the colors or color of a ship or regiment; the colors of a race horse (that is, of the cap and jacket worn by the jockey)..
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