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

Unfazed by the rain, dozens of fans passed by the home every few minutes, with many peeking through the bay window, taking selfies in the doorway and lingering with curiosity.

From BBC • Nov. 22, 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

Gragert said the improvised office has a big bay window and views of a cherry tree whose blossoms can be admired from two windows.

From Washington Post • Feb. 3, 2023

After school, and time with Ray, and George’s poems, Axel makes his way to his favorite perch: the bay window that looks out over the twist of the creek.

From "A Bird Will Soar" by Alison Green Myers