jack

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1 jack /ˈʤæk/ noun
plural jacks
1 jack
/ˈʤæk/
noun
plural jacks
Learner's definition of JACK
[count] : a device used for lifting something heavy (such as a car)
[count] : 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 see picture at playing card
[count] : a small opening where something connects with a wire to something else
[count] : a small usually metal object that has six points and that is used in the game of jacks
jacks [plural] : a child's game in which jacks are thrown and picked up while bouncing and catching a small ball
[noncount] US slang : anything at all used in negative statements
2 jack /ˈʤæk/ verb
jacks; jacked; jacking
2 jack
/ˈʤæk/
verb
jacks; jacked; jacking
Learner's definition of JACK

jack in

[phrasal verb]
jack in (something) or jack (something) in British, informal
: to stop doing (something)

jack off

[phrasal verb] US, informal + impolite, of a man

jack up

[phrasal verb]
jack up (something) or jack (something) up
: to lift (something, such as a car) with a jack
informal : to increase (something, such as a price) by a large amount
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Comments & Questions
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