Overview of noun blackjack

The noun blackjack has 4 senses

• blackjack oak, blackjack, jack oak, Quercus marilandica -- (a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets)


• blackjack, cosh, sap -- (a piece of metal covered by leather with a flexible handle; used for hitting people)


• black flag, pirate flag, Jolly Roger, blackjack -- (a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship)


• blackjack, twenty-one, vingt-et-un -- (a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21)

Overview of verb blackjack

The verb blackjack has 1 sense

• blackmail, blackjack, pressure -- (exert pressure on someone through threats)