from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A room equipped with toilets and lavatories for public use.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A public room containing a toilet.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a toilet that is available to the public
Of the category of euphemism known as indirection, euphemistically identifying the lavatory as a place where one rests. (Wiktionary)