“blackjack”

Definitions

• noun

  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

  Synonyms: blackjack oak, jack oak, quercus marilandica, boston, pit, baccarat, banker, bastinado, bat, billy, bludgeon, bluff

• noun

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

  Synonyms: cosh, sap

• noun

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

  Synonyms: black flag, pirate flag, jolly roger

• noun

  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

• verb

  exert pressure on someone through threats

  Synonyms: blackmail, pressure