Collins English-English Dictionary

jack [ʤæk]

1. 1. n a man or fellow

2. 2. n jackstone one of the pieces used in the game of jacks

3. 3. n a sailor

4. 4. n the male of certain animals, esp of the ass or donkey

5. 5. n a mechanical or hydraulic device for exerting a large force, esp to raise a heavy weight such as a motor vehicle

6. 6. n any of several mechanical devices that replace manpower, such as a contrivance for rotating meat on a spit

7. 7. n one of four playing cards in a pack, one for each suit, bearing the picture of a young prince; knave

8. 8. n [bowls] a small usually white bowl at which the players aim with their own bowls

9. 9. n [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

10. 10. n a flag, esp a small flag flown at the bow of a ship indicating the ship's nationality - Compare Union Jack

11. 11. n [nautical] either of a pair of crosstrees at the head of a topgallant mast used as standoffs for the royal shrouds

12. 12. vt. [US and Canadian] jacklight to hunt (fish or game) by seeking them out or dazzling them with a flashlight

13. 13. n 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

14. 14. n any of various tropical and subtropical carangid fishes, esp those of the genus Caranx, such as C. hippos (crevalle jack)

15. 15. n short for applejack bootjack jackass jackfish jack rabbit lumberjack

16. 16. n a slang word for money

17. 17. vt. [tr] to lift or push (an object) with a jack

18. 18. vt. [electrical engineering] to connect (an electronic device) with another by means of a jack and a jack plug

19. 19. vt. See also jack in jacks jack up

20. 20. vt. [Etymology] C16 jakke, variant of Jankin, diminutive of John

jack [ʤæk]

1. 1. n short for jackfruit

2. 2. n [Etymology] C17: from Portuguese jaca; see jackfruit

jack [ʤæk]

1. 1. n a short sleeveless coat of armour of the Middle Ages, consisting usually of a canvas base with metal plates

2. 2. n [archaic] a drinking vessel, often of leather

3. 3. n [Etymology] C14: from Old French jaque, of uncertain origin