jack

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jack
  • noun
    A device for lifting heavy objects, especially one for raising the axle of a motor vehicle off the ground so that a wheel can be changed or the underside inspected.
    A playing card bearing a representation of a soldier, page, or knave, normally ranking next below a queen.
    A socket with two or more pairs of terminals designed to receive a jack plug.
    In lawn bowling, the small ball at which the players aim.
    A game played by tossing and catching small round pebbles or star-shaped pieces of metal or plastic.
    Used as a form of address to a man whose name is not known.
    A lumberjack.
    A steeplejack.
    The figure of a man striking the bell on a clock.
    A small version of a national flag flown at the bow of a vessel in harbor to indicate its nationality.
    Money.
    A device for turning a spit.
    A part of the mechanism in a spinet or harpsichord that connects a key to its corresponding string and causes the string to be plucked when the key is pressed down.
    A marine fish that is typically laterally compressed with a row of large spiky scales along each side. Jacks are important in many places as food or game fish.
    The male of some animals, especially a merlin or an ass.
    Used in names of animals that are smaller than similar kinds, e.g., jacksnipe.
    short for jack shit
    short for jackrabbit
  • noun
    another term for blackjack (sense 5)
    A sleeveless padded tunic worn by foot soldiers.
  • verb
    Take (something) illicitly; steal. (his MO in the studio remains the sameā€”jack other people's tracks and present them in a new context)
  • adjective
    Tired of or bored with someone or something. (people are getting jack of strikes)

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