Meaning of bay window

bay' win'dow

Pronunciation: [key]
  1. an alcove of a room, projecting from an outside wall and having its own windows, esp. one having its own foundations. Cf. bow window, oriel.
  2. a large, protruding belly; paunch.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.