Definition of jack

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

Lern More About Jack

Knave :: Knave (n.) A playing card marked with the figure of a servant or soldier; a jack.
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..
Cardigan Jacket :: Cardigan jacket () A warm jacket of knit worsted with or without sleeves.
Caddow :: Caddow (n.) A jackdaw.
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.) A wooden wedge for separating rocks rent by blasting.
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..
Truss :: Truss (n.) A padded jacket or dress worn under armor, to protect the body from the effects of friction; also, a part of a woman's dress; a stomacher..
Jacksnipe :: "Jacksnipe (n.) A small American sandpiper (Tringa maculata); -- called also pectoral sandpiper, and grass snipe..
Mistress :: Mistress (n.) The old name of the jack at bowls.
Jack :: "Jack (n.) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack..
Jack :: "Jack (n.) A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat..
Jackmen :: Jackmen (pl. ) of Jackma.
Jackknife :: "Jackknife (n.) A large, strong clasp knife for the pocket; a pocket knife..
Jack :: "Jack (n.) A compact, portable machine for planing metal..
Roundabout :: Roundabout (n.) A short, close jacket worn by boys, sailors, etc..
Water Plate :: Water plate () A plate heated by hot water contained in a double bottom or jacket.
Liner :: Liner (n.) A lining within the cylinder, in which the piston works and between which and the outer shell of the cylinder a space is left to form a steam jacket..
Jigger :: "Jigger (n.) A pendulum rolling machine for slicking or graining leather; same as Jack, 4 (i)..
Jackanapes :: Jackanapes (n.) A coxcomb; an impertinent or conceited fellow.
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