The definition of a jack is a machine used for lifting or moving something heavy.
(noun)An example of jack is what you would use to lift your car to change a flat tire.
A jack is defined as the lowest ranking card of the royal cards in a playing deck.
(noun)An example of jack is above the ten card and below the queen in points.
See jack in Webster's New World College Dictionary
Origin: ME Jacke, Jake < OFr Jaque, Jaques < LL(Ec) Jacobus, Jacob
transitive verb
adjective
Origin: see jack
See jack in American Heritage Dictionary 4
noun
Origin:
Origin: From the name Jack
Origin: , from Middle English Jakke
Origin: , possibly from Old French Jacques
Origin: , from Late Latin Iacōbus; see Jacob
Origin: . N., sense 15, short for jack shit
.Related Forms:
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