a person whose job is to be in charge of a gambling table and collect and pay out money, give out cards, etc.Wordfindergamblingbet,casino,chip,croupier,gambling,lottery,odds,roulette,stake,streakWord Originearly 18th cent. (denoting a person standing behind a gambler to give advice): French, from Old French cropier ‘pillion rider, rider on the croup’, related to Old French croupe, ultimately of Germanic origin and related to crop.
See croupier in the Oxford Advanced American Dictionary