Source : Webster's Revised Unabridged Dictionary (1913)

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}.

Source : WordNet®

casino
     n 1: a public building for gambling and entertainment [syn: {gambling
          casino}]
     2: a card game in which cards face up on the table are taken
        with eligible cards in the hand [syn: {cassino}]