n.
    - a public room or building used for a specified purpose. 
▸
(also saloon bar)
 Brit. another term for lounge bar.
 ▸a large public room for use as a lounge on a ship.
 - N. Amer. historical or humorous a place where alcoholic drinks may be bought and drunk.
 - 
(also saloon car)
 Brit. a car having a closed body and separate boot.
 - 
(also saloon car)
 Brit. a luxurious railway carriage used as a lounge or restaurant or as private accommodation.
 
 
  Etymology
  C18 (in the sense ‘drawing room’): from Fr. salon, from Ital. salone ‘large hall’, augmentative of sala ‘hall’.