bay window

American  

noun

1. an alcove of a room, projecting from an outside wall and having its own windows, especially one having its own foundations.

2. Informal. a large, protruding belly; paunch.

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bay window British  

noun

1. Sometimes shortened to: bay.  a window projecting from the wall of a building and forming an alcove of a room See also bow window oriel window

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Etymology

Origin of bay window

late Middle English word dating back to 1400–50

Example Sentences

His home is well-decorated, boasts a large bay window and a Chesterfield sofa - all in stark contrast to the dereliction of the empty flats just a stone's throw away.

From BBC • Apr. 10, 2025

Adding further drama is a giant bay window in the living room that overlooks the backyard.

From Los Angeles Times • Feb. 26, 2024

By March 5, Mr. Rice noticed the bay window in his living room was cracking from the weight of the snow.

From New York Times • Mar. 15, 2023

The bay window that Hadley moved to frame the patio and birch trees, no longer faces the outside.

From Washington Post • Apr. 29, 2022

We’d shoved the big brass bed we shared into the bay window, hoping a breath of cool night air would make a wrong turn and stumble across us.

From "The Teacher’s Funeral" by Richard Peck