Synonyms for blackjack

Noun

1. blackjack o black jack o Quercus marilandica, scrub o

usage: a common scrubby deciduous tree of central and southeastern United States having dark bark and broad 3-lobed (club-shaped) leaves; tends to form dense thickets

2. black cosh, sap, bludgeon

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

3. black twenty-one, vingt-et-un, card game, cards

usage: a gambling game using cards; the object is to hold cards having a higher count than those dealt to the bank up to but not exceeding 21

Verb

1. blackmail, black pressure, influence, act upon, work

usage: exert pressure on someone through threats