# bay window

> English word · Noun

## Definitions
1. A window space projecting outward from the main walls of a building and forming a bay in a room.
2. A protruding belly.
3. The stomach of a pregnant woman.

## Etymology
From Middle English baywyndow, baywyndowe, bay-windowe, equivalent to bay + window where bay refers to an opening between columns.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bay-window