Pronunciation: (ku-bOOs'), [key]
1. a car on a freight train, used chiefly as the crew's quarters and usually attached to the rear of the train.
2. Brit.a kitchen on the deck of a ship; galley.
3. Slang.the buttocks.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.