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English definition of “jack”

jack

noun [C]
 
 
/dʒæk/
EQUIPMENT a piece of equipment for lifting a heavy object such as a carMachinery and machinesHousehold equipment and domestic chores
PLAYING CARD a playing card that comes between a ten and a queen: the jack of diamondsPlaying cards
(Definition of jack noun from the Cambridge Learners Dictionary © Cambridge University Press)
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