Pronunciation IPA (key): /kæˈsinoʊ/, /kəˈsinoʊ/ Audio (UK)(file) Noun Singular casino Plural casinos or casinoes (countable) A casino is a place where people can play gambling games to try to win money. He played poker at the casino to try to win some money. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads