n. （意）乡间住宅；赌场；娱乐场（casino的复数）

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, etc., sometimes having gambling
tables or devices.
[1913 Webster +PJC]

3. A game at cards. See {Cassino}.

4. a business establishment for which the primary business is
gambling, having various types of gambling tables, such as
blackjack or roulette, and usually also slot machines, and
sometimes other forms of gambling, such as poker; also,
the main room of such an establishment where the gambling
is conducted; as, the Trump casinos in Atlantic City.
[PJC]