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: a usually portable mechanism or device for exerting pressure or lifting a heavy body a short distance. b. : a device for turning a spit. 4. : a female fitting in an electric circuit used with a plug to make a connection with another circuit.
JACK definition: 1. a piece of equipment that can be opened slowly under a heavy object such as a car in order to…. Learn more.
Jack definition: any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods.. See examples of JACK used in a sentence.
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. American English : jack / dˈʒæk /
jack. (jăk) n. 1. often Jack Informal A man; a fellow. 2. a. One who does odd or heavy jobs; a laborer. b. One who works in a specified manual trade. Often used in combination: a lumberjack; a steeplejack. c. Jack A sailor; a tar. 3. Abbr. J Games A playing card showing the figure of a servant or soldier and ranking below a queen.
Verb. Adjective. Idiom. Filter. noun. jacks. John. 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.
Definition of Jack in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
