WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a room or building equipped with one or more toilets
Word Usage
"Believe me, I'd rather chat about French farm hens or even Frango mint shakes (how I miss them!) but when you gotta go, you gotta go, and we all need to go forth in this, the language of love or, shall we say, "lav"?"