| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| the offspring of a zebra and a donkey. |
jack1 (dʒæk) ![]() | |
| —n | |
| 1. | a man or fellow |
| 2. | a sailor |
| 3. | the male of certain animals, esp of the ass or donkey |
| 4. | a mechanical or hydraulic device for exerting a large force, esp to raise a heavy weight such as a motor vehicle |
| 5. | any of several mechanical devices that replace manpower, such as a contrivance for rotating meat on a spit |
| 6. | one of four playing cards in a pack, one for each suit, bearing the picture of a young prince; knave |
| 7. | bowls a small usually white bowl at which the players aim with their own bowls |
| 8. | electrical engineering a female socket with two or more terminals designed to receive a male plug (jack plug) that either makes or breaks the circuit or circuits |
| 9. | Compare Union Jack a flag, esp a small flag flown at the bow of a ship indicating the ship's nationality |
| 10. | nautical either of a pair of crosstrees at the head of a topgallant mast used as standoffs for the royal shrouds |
| 11. | a part of the action of a harpsichord, consisting of a fork-shaped device on the end of a pivoted lever on which a plectrum is mounted |
| 12. | any of various tropical and subtropical carangid fishes, esp those of the genus Caranx, such as C. hippos (crevalle jack) |
| 13. | Also called: jackstone one of the pieces used in the game of jacks |
| 14. | applejack bootjack jackass jackfish jack rabbit short for lumberjack |
| 15. | (US) a slang word for money |
| 16. | every man jack everyone without exception |
| 17. | slang (Austral) the jack venereal disease |
| —adj | |
| 18. | slang (Austral) jack of tired or fed up with (something) |
| —vb | |
| 19. | to lift or push (an object) with a jack |
| 20. | electrical engineering to connect (an electronic device) with another by means of a jack and a jack plug |
| 21. | (US), (Canadian) Also: jacklight to hunt (fish or game) by seeking them out or dazzling them with a flashlight |
| [C16 jakke, variant of Jankin, diminutive of John] | |
jack or jak2 (dʒæk) ![]() | |
| —n | |
| short for jackfruit | |
| [C17: from Portuguese jaca; see | |
| jak or jak2 | |
| —n | |
| [C17: from Portuguese jaca; see | |
| jack up | |
| —vb | |
| 1. | (tr) to increase (prices, salaries, etc) |
| 2. | (tr) to raise an object, such as a car, with or as with a jack |
| 3. | slang (intr) to inject oneself with a drug, usually heroin |
| 4. | informal (Austral) (intr) to refuse to comply; rebel, esp collectively |
| 5. | informal (NZ) to initiate, organize, or procure |
| —n | |
| 6. | (NZ) something that has been contrived or achieved by dishonest means |
jack definition
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jack (so) definition
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jack (sth) definition
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jack up
Raise or increase, as in The cartel is jacking up oil prices again. This term alludes to the literal meaning of jack up, that is, "hoist with a jack." [Colloquial; c. 1900]