n.
A machine for slicking or pebbling leather.
n.
A system of gearing driven by a horse power, for multiplying speed.
n.
A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
n.
In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper.
n.
In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.
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.
n.
The small bowl used as a mark in the game of bowls.
n.
The male of certain animals, as of the ass.
n.
A young pike; a pickerel.
n.
A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou.
n.
A drinking measure holding half a pint; also, one holding a quarter of a pint.
n.
A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also union jack. The American jack is a small blue flag, with a star for each State.
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.
n.
The knave of a suit of playing cards.
n.
A coarse and cheap mediaeval coat of defense, esp. one made of leather.
n.
A pitcher or can of waxed leather; -- called also black jack.
v. i.
To hunt game at night by means of a jack. See 2d Jack, n., 4, n.
v. t.
To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.