From Longman Dictionary of Contemporary Englishcroupiercrou‧pi‧er /ˈkruːpiə $ -ər/ noun [countable] BODGGsomeone whose job is to collect and pay out money where people play cards, roulette etc for money at a casino
Examples from the Corpus
croupier• I work nights - in a news bureau, as a croupier in a nightclub, as a waitress.• It was while he was working as a croupier in a gambling joint that some friends coaxed him into singing in public.• I became a croupier - starting work at 11 p.m. and finishing at 5 a.m.• As it turned out, I was a dreadful croupier and after a few weeks they put me on coats and hats.• One of the croupiers, a blonde girl, beckoned him to join the blackjack table.• She thrust the customary tip towards the croupier with a slip of paper wrapped around a plaque.• The croupier had a high-pitched voice, insistent.Origin croupier (1700-1800) French “person who rides on the back end of a horse, person who stands behind a player and gives advice, croupier”, from Old French croupe “back end of an animal” 