1

jack

play
noun \ˈjak\

Definition of jack

  1. 1a jacks plural in form but singular in construction :  a game played with a set of small objects that are tossed, caught, and moved in various figuresb :  a small 6-pointed metal object used in the game of jacks

  2. 2a :  a playing card carrying the figure of a soldier or servant and ranking usually below the queenb :  jackpot 1b(2)

  3. 3 :  any of various usually mechanical devices: such asa :  a usually portable mechanism or device for exerting pressure or lifting a heavy body a short distanceb :  a device for turning a spit

  4. 4 :  a female fitting in an electric circuit used with a plug to make a connection with another circuit

  5. 5a :  man —usually used as an intensive in such phrases as every man jackb often capitalized :  sailorc (1) :  servant, laborer (2) :  lumberjack

  6. 6 :  something that supports or holds in position: such asa :  an iron bar at a topgallant masthead to support a royal mast and spread the royal shroudsb :  a wooden brace fastened behind a scenic unit in a stage set to prop it up

  7. 7a :  any of several fishes; especially :  any of various carangidsb :  a male donkeyc :  jackrabbitd :  any of several birds (such as a jackdaw)

  8. 8a :  a small white target ball in lawn bowlingb :  a small national flag flown by a ship

  9. 9 slang :  money

  10. 10a :  applejackb :  brandy

  11. 11 :  jackknife 2

  12. 12 :  monterey jack

Examples of jack in a sentence

  1. I'd buy that watch, but I don't have the jack right now.

  2. a Portuguese ship flying the national jack

Origin and Etymology of jack

Middle English Jacke, familiar term of address to a social inferior, nickname for Johan John


First Known Use: 1548


2

jack

verb

Definition of jack

  1. transitive verb
  2. 1a :  to move or lift by or as if by a jackb :  to raise the level of —usually used with up jack up the pricec :  to take to task

  3. 2 :  to hunt or fish for at night with a jacklight

  4. intransitive verb
  5. :  to hunt or fish at night with a jacklight

jacker

noun

Circa 1841

First Known Use of jack

circa 1841



JACK Defined for English Language Learners

1

jack

play
noun \ˈjak\

Definition of jack for English Language Learners

  • : a device used for lifting something heavy (such as a car)

  • : a playing card that has a picture of a soldier or servant and that is worth more than a ten and less than a queen

  • : a small opening where something connects with a wire to something else


JACK Defined for Kids

1

jack

play
noun \ˈjak\

Definition of jack for Students

  1. 1 :  a device for lifting something heavy a short distance

  2. 2 :  a playing card with the picture of a young man

  3. 3 :  a small six-pointed usually metal object used in a children's game (jacks)

  4. 4 :  a socket used with a plug to connect one electric circuit with another


2

jack

play
verb

Definition of jack for Students

jacked

;

jacking

  1. :  to move or lift with a special device We need to jack up the car.



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