Brit a comfortable, well-furnished, and often relatively expensive bar in a public house: compare public bar
NAmer a room or establishment in which alcoholic beverages are sold and consumed
a public room or hall, e.g. a ballroom, an exhibition room, or a lounge on a passenger ship
Brit an enclosed car with two or four doors and a separate boot
a well-appointed railway carriage with no compartments
[French salon from Italian salone large hall, from sala hall, of Germanic origin]