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

Camisole :: Camisole (n.) A kind of straitjacket.
Jackstone :: Jackstone (n.) One of the pebbles or pieces used in the game of jackstones.
Jackstone :: Jackstone (n.) A game played with five small stones or pieces of metal. See 6th Chuck.
Jack :: "Jack (n.) 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.
Jacksaw :: Jacksaw (n.) The merganser.
Juppon :: "Juppon (n.) A sleeveless jacket worn over the armor in the 14th century. It fitted closely, and descended below the hips..
Jigger :: "Jigger (n.) A pendulum rolling machine for slicking or graining leather; same as Jack, 4 (i)..
Merou :: Merou (n.) See Jack, 8 (c)..
Apple-jack :: Apple-jack (n.) Apple brandy.
Jackstraw :: "Jackstraw (n.) An effigy stuffed with straw; a scarecrow; hence, a man without property or influence..
Jack :: "Jack (n.) An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic..
Queller :: Queller (n.) A killer; as, Jack the Giant Queller..
Air Jacket :: Air jacket () A jacket having air-tight cells, or cavities which can be filled with air, to render persons buoyant in swimming..
Jackdaw :: "Jackdaw (n.) See Daw, n..
Bluefish :: Bluefish (n.) A large voracious fish (Pomatomus saitatrix), of the family Carangidae, valued as a food fish, and widely distributed on the American coast. On the New Jersey and Rhode Island coast it is called the horse mackerel, in Virginia saltwater tailor, or skipjack..
Flapjack :: Flapjack (n.) A fried dough cake containing fruit; a turnover.
Cleading :: Cleading (n.) A jacket or outer covering of wood, etc., to prevent radiation of heat, as from the boiler, cylinder. etc., of a steam engine..
Jurel :: "Jurel (n.) A yellow carangoid fish of the Atlantic and Gulf coasts (Caranx chrysos), most abundant southward, where it is valued as a food fish; -- called also hardtail, horse crevalle, jack, buffalo jack, skipjack, yellow mackerel, and sometimes, improperly, horse mackerel. Other species of Caranx (as C. fallax) are also sometimes called jurel..
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..
Jackass :: Jackass (n.) The male ass; a donkey.
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