Jack Definition

jăk
jacked, jacking, jacks
noun
jacks
Webster's New World
Any of various machines used to lift, hoist, or move something heavy a short distance.
Hydraulic jack, automobile jack.
Webster's New World
A device used for turning a spit.
American Heritage
A wooden bar attached to each key of a harpsichord, etc. that raises the plectrum when the key is depressed.
Webster's New World
A male donkey; jackass.
Webster's New World
Synonyms:
verb
jacked, jacking, jacks
To hunt or fish for with a light.
Webster's New World
To hit (a pitched ball) hard, especially for a home run.
American Heritage
To move or hoist by using a jack. Often used with up:
Jacked the rear of the car to replace the tire.
American Heritage
To raise (something) to a higher level, as in cost. Often used with up:
American Heritage
To raise by means of a jack.
Webster's New World
Synonyms:
adjective
Male: of some animals.
Webster's New World
affix
Male.
Jackass.
Webster's New World
Large or strong.
Jackboot.
Webster's New World
Boy; fellow.
Jack-in-the-box.
Webster's New World
pronoun

A male given name, also used as a pet form of John.

Wiktionary

(slang) Jack Daniel's, a brand of American whiskey.

Wiktionary
idiom
every man jack
  • every man; everyone
Webster's New World
jack around
  • to spend time in useless activity
  • to trifle or meddle (with)
Webster's New World
jack off
  • to masturbate
Webster's New World
jack up
  • to raise by means of a jack
  • to raise (prices, salaries, etc.)
Webster's New World

Other Word Forms of Jack

Noun

Singular:
jack
Plural:
jacks

Idioms, Phrasal Verbs Related to Jack

Origin of Jack

  • From the name Jack from Middle English Jakke possibly from Old French Jacques from Late Latin Iacōbus Jacob N., sense 15, short for jack shit V. tr., senses 4a and b, short for hijack

    From American Heritage Dictionary of the English Language, 5th Edition

  • Popular pet form of John through a Middle English form Jankin; rarely also an anglicized form of French Jacques (equivalent of Jacob and James). Though the name was originally a pet form, it has become more of an independent name.

    From Wiktionary

  • From Middle English jakke (“any mechanical device”), from the name Jack, from Old French Jacques

    From Wiktionary

  • French jaque, jacque, perhaps from the proper name Jacques. Compare jacquerie.

    From Wiktionary

  • From the common name above.

    From Wiktionary

  • see jack

    From Webster's New World College Dictionary, 5th Edition

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