from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large room in which guests are entertained.
- n. A ceremonial reception.
- n. A large private room on a railroad sleeping car.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a multi functional room that can be used for any purpose in a palace or castle
- n. any room where visitors may be entertained; now, the living room
- n. a private room on a railroad sleeping car
Short for earlier withdrawing room.(American Heritage® Dictionary of the English Language, Fourth Edition)
Shortening of withdrawing room. (Wiktionary)