Pronunciation: (kôl'boi"), [key]
1. a boy or man who summons actors, as from their dressing rooms, shortly before they are due to go on stage.
2. a bellhop.
3. Also,call' boy".a male prostitute who arranges appointments with clients by telephone.
4. Also,call'-boy",call' boy". Railroads Slang.a railroad employee responsible for ensuring that members of a train crew are on hand for their regular runs and for notifying them of an extra run.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.