Jack ¹

Definition: A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow.

Jack ²

Definition: A familiar nickname of, or substitute for, John.

Jack ³

Definition: An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic.

Jack ⁴

Definition: A popular colloquial name for a sailor; called also Jack tar, and Jack afloat.

Jack ⁵

Definition: A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack

Jack ⁶

Definition: A device to pull off boots.

Jack ⁷

Definition: A sawhorse or sawbuck.

Jack ⁸

Definition: A machine or contrivance for turning a spit; a smoke jack, or kitchen jack.

Jack ⁹

Definition: A wooden wedge for separating rocks rent by blasting.

Jack ¹⁰

Definition: A lever for depressing the sinkers which push the loops down on the needles.

Jack ¹¹

Definition: A grating to separate and guide the threads; a heck box.

Jack ¹²

Definition: A machine for twisting the sliver as it leaves the carding machine.

Jack ¹³

Definition: A compact, portable machine for planing metal.

Jack ¹⁴

Definition: A machine for slicking or pebbling leather.

Jack ¹⁵

Definition: A system of gearing driven by a horse power, for multiplying speed.

Jack ¹⁶

Definition: A hood or other device placed over a chimney or vent pipe, to prevent a back draught.

Jack ¹⁷

Definition: In the harpsichord, an intermediate piece communicating the action of the key to the quill; called also hopper.

Jack ¹⁸

Definition: In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.

Jack ¹⁹

Definition: 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.

Jack ²⁰

Definition: The small bowl used as a mark in the game of bowls.

Jack ²¹

Definition: The male of certain animals, as of the ass.

Jack ²²

Definition: A young pike; a pickerel.

Jack ²³

Definition: The jurel.

Jack ²⁴

Definition: A large, California rock fish (Sebastodes paucispinus); called also boccaccio, and merou.

Jack ²⁵

Definition: The wall-eyed pike.

Jack ²⁶

Definition: A drinking measure holding half a pint; also, one holding a quarter of a pint.

Jack ²⁷

Definition: 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.

Jack ²⁸

Definition: 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.

Jack ²⁹

Definition: The knave of a suit of playing cards.

Jack ³⁰

Definition: A coarse and cheap mediaeval coat of defense, esp. one made of leather.

Jack ³¹

Definition: A pitcher or can of waxed leather; called also black jack.

Jack ³²

Definition: To hunt game at night by means of a jack. See 2d Jack, n., n.

Jack ³³

Definition: To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n.,

jack ³⁴

Definition: male donkey

jack ³⁵

Definition: any of several fast-swimming predacious fishes of tropical to warm-temperate seas

jack ³⁶

Definition: tool for exerting pressure or lifting

jack ³⁷

Definition: one of four face cards in a deck bearing a picture of a young prince

jack ³⁸

Definition: small flag indicating a ship''s nationality

jack ³⁹

Definition: game equipment consisting of one of several small objects picked up while bouncing a ball in the game of jacks

jack ⁴⁰

Definition: an electrical device consisting of a connector socket designed for the insertion of a plug

jack ⁴¹

Definition: immense East Indian fruit resembling breadfruit of; its seeds are commonly roasted

jack ⁴²

Definition: someone who works with their hands; someone engaged in manual labor

Jack ⁴³

Definition: a man who serves as a sailor

jack ⁴⁴

Definition: a small worthless amount; "you don''t know jack"

jack ⁴⁵

Definition: hunt with a jacklight

jack ⁴⁶

Definition: lift with a special device; "jack up the car so you can change the tire"