blackjack | (n) a piece of metal covered by leather with a flexible handle; used for hitting people, Syn. cosh, sap |
blackjack | (n) 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, Syn. twenty-one, vingt-et-un |
blackjack oak | (n) 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, Syn. Quercus marilandica, jack oak, blackjack |