Definition of jack

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Jack (n.) A grating to separate and guide the threads; a heck box.

Lern More About Jack

Jacket :: "Jacket (v. t.) To put a jacket on; to furnish, as a boiler, with a jacket..
Bootjack :: Bootjack (n.) A device for pulling off boots.
Wasp :: Wasp (n.) Any one of numerous species of stinging hymenopterous insects, esp. any of the numerous species of the genus Vespa, which includes the true, or social, wasps, some of which are called yellow jackets..
Jack :: Jack (n.) A pitcher or can of waxed leather; -- called also black jack.
Water Plate :: Water plate () A plate heated by hot water contained in a double bottom or jacket.
Sola :: Sola (n.) A leguminous plant (Aeschynomene aspera) growing in moist places in Southern India and the East Indies. Its pithlike stem is used for making hats, swimming-jackets, etc..
Jack :: "Jack (n.) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper..
Whimbrel :: Whimbrel (n.) Any one of several species of small curlews, especially the European species (Numenius phaeopus), called also Jack curlew, half curlew, stone curlew, and tang whaup. See Illustration in Appendix..
Jackslave :: Jackslave (n.) A low servant; a mean fellow.
Jigger :: "Jigger (n.) A pendulum rolling machine for slicking or graining leather; same as Jack, 4 (i)..
Jack-a-dandy :: "Jack-a-dandy (n.) A little dandy; a little, foppish, impertinent fellow..
Jack :: Jack (n.) A grating to separate and guide the threads; a heck box.
Jacket :: "Jacket (n.) In ordnance, a strengthening band surrounding and reenforcing the tube in which the charge is fired..
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..
Jackanapes :: Jackanapes (n.) A coxcomb; an impertinent or conceited fellow.
Merou :: Merou (n.) See Jack, 8 (c)..
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..
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)..
Jacksmith :: "Jacksmith (n.) A smith who makes jacks. See 2d Jack, 4, c..
Jackstraw :: "Jackstraw (n.) An effigy stuffed with straw; a scarecrow; hence, a man without property or influence..
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