Casino \Ca*si"no\, n.; pl. E. {Casinos}, It. {Casini}. [It. casino, dim. of casa house, fr. L. casa cottage. Cf. {Cassing}.] 1. A small country house. 2. A building or room used for meetings, or public amusements, for dancing, gaming, etc. 3. A game at cards. See {Cassino}.