English Dictionary

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jack1 (dʒæk Pronunciation for jack1



  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. (bowling) 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. a flag, esp a small flag flown at the bow of a ship indicating the ship's nationality Compare Union Jack
  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. short for applejack, bootjack, jackass, jackfish, jack rabbit, lumberjack
  15. (US) a slang word for money
  16. See every man jack

  17. See the jack


  1. See jack of

verb (transitive)

  1. to lift or push (an object) with a jack
  2. (electrical engineering) to connect (an electronic device) with another by means of a jack and a jack plug
  3. Also: jacklight (US & Canadian) to hunt (fish or game) by seeking them out or dazzling them with a flashlight

See also

jack in, jacks, jack up

Word Origin

C16 jakke, variant of Jankin, diminutive of John

jack2 or jak (dʒæk Pronunciation for )



  1. short for jackfruit

Word Origin

C17: from Portuguese jaca; see jackfruit

jack3 (dʒæk Pronunciation for jack3



  1. a short sleeveless coat of armour of the Middle Ages, consisting usually of a canvas base with metal plates
  2. (archaic) a drinking vessel, often of leather

Word Origin

C14: from Old French jaque, of uncertain origin

Jack (dʒæk Pronunciation for Jack


Translations for 'jack'

  • British English: jackPronunciation for jack A jack is a device for lifting a heavy object such as a car off the ground.You'll find the jack under the spare tyre in the boot.dʒæk NOUN
  • Arabic: رَافِعَةٌPronunciation for رَافِعَةٌ
  • Brazilian Portuguese: macaco de carroPronunciation for macaco de carro
  • Chinese: 千斤顶Pronunciation for 千斤顶
  • Croatian: dizalicaPronunciation for dizalica
  • Czech: zvedákPronunciation for zvedák
  • Danish: donkraftPronunciation for donkraft
  • Dutch: krikPronunciation for krik
  • European Spanish: gatoPronunciation for gatoinstrumento
  • Finnish: väkivipuPronunciation for väkivipu
  • French: cricPronunciation for cric
  • German: WagenheberPronunciation for Wagenheber Wagenheber
  • Greek: γρύλοςPronunciation for γρύλος
  • Italian: cricPronunciation for cric
  • Japanese: ジャッキPronunciation for ジャッキ
  • Korean: Pronunciation for 잭
  • Norwegian: jekkPronunciation for jekk
  • Polish: lewarekPronunciation for lewarek
  • Portuguese: macaco de carroPronunciation for macaco de carro
  • Romanian: cric cricuri
  • Russian: домкратPronunciation for домкрат
  • Spanish: gatoPronunciation for gatomáquina para levantar
  • Swedish: domkraftPronunciation for domkraft
  • Thai: แม่แรงPronunciation for แม่แรง
  • Turkish: krikoPronunciation for kriko
  • Ukrainian: домкрат
  • Vietnamese: cái kíchPronunciation for cái kích

Example Sentences Including 'jack'

Back at Jarvis's car it was a struggle to get the fence posts and the jack into place.
Lyall, Francis A Death in Time
He found the VHF radio telephone and pulled the mike jack from its receptacle and stuffed the microphone in his jacket pocket.
Terman, Douglas Cormorant
There's also a USB 1.1 jack for connecting memory card readers.
New Zealand Herald (2003)
They were searching and finding nothing more than a petrol can and a jack.
Brierley, David Skorpion's Death
You can use the built-in mic or plug in your own via the line-in jack.
Globe and Mail (2004)
You lower prices artificially, drive out the competition and subsequently jack up prices.
Business Today (2001)
`In a year or two, Sharpe, there's going to be enough war for every man jack in this army.
Bernard Cornwell SHARPE'S PREY (2002)


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