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: blackjack oak , jack oak , quercus marilandica ]

a piece of metal covered by leather with a flexible handle; used for hitting people

[ Syn: cosh , sap ]

a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship

[ Syn: black flag , pirate flag , jolly roger ]

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 ]

exert pressure on someone through threats

[ Syn: blackmail , pressure ]