bay window(redirected from a bay window)
1. A large, protruding window that extends from the wall of a building and creates an alcove inside. Mom still decorates the bay window for every holiday.
2. slang A large or bulging stomach. If you don't get that bay window under control, you'll be asked to play Santa Claus this year!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a belly; an abdomen. You are going to have to do something about that bay window.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.