jack

male donkey

any of several fast-swimming predacious fishes of tropical to warm temperate seas

tool for exerting pressure or lifting

one of four face cards in a deck bearing a picture of a young prince

small flag indicating a ship's nationality

game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks

an electrical device consisting of a connector socket designed for the insertion of a plug

a small ball at which players aim in lawn bowling

immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted

someone who works with their hands; someone engaged in manual labor

a small worthless amount

“you don't know jack”

hunt with a jacklight

lift with a special device

“jack up the car so you can change the tire”