The Collaborative International Dictionary of English v.0.48:
Lavatory \Lav"a*to*ry\, n.; pl. Lavatories. [L. lavatorium:
cf. lavatoire. See Lave to wash, and cf. Laver.]
1. A place for washing.
2. A basin or other vessel for washing in.
3. A wash or lotion for a diseased part.
4. A place where gold is obtained by washing.
5. A room containing one or more sinks for washing, as well
as one or more toilet fixtures; also called bathroom,
toilet, and sometimes commode. Commode and toilet may
refer to a room with only a toilet fixture, but without a
Syn: toilet, lavatory, can, facility, john, privy, bathroom.
[WordNet 1.5 +PJC]