say it: kuh-SEE-noh
cassino is a noun meaning "a card game in which cards face up on the table are taken with eligible cards in the hand". It carries one recorded sense.
a card game in which cards face up on the table are taken with eligible cards in the hand
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for cassino come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.