Casino' means ______?

Some One Word Substiution: 
Arena - A location or site of activity, discussion, or conflict.
Arsenal - A collection of weapons and military equipment.
Casino - A public room or building where gambling games are played.
Creche - Nursery where babies and young children are cared for during the working day.
Kennel - A dog's little shelter.
Lair - A place where wild animals live.
Reservoir - A large natural or artificial lake used as a source of water supply.
Infirmary - A place at a hospital where sick patients are cared for.
Gymnasium - A room or building equipped for gymnastics, games, and another physical exercise
Hangar - A prominent structure with an expansive floor area that generally houses aircraft.