What does "bay window" mean?

A window space projecting outward from the main walls of a building and forming a bay in a room.

What is a synonym for "bay window"?

Common synonyms include: abdomen, abomasum, bay, beerbelly, belly, bow window.

noun, slang

noun, slang ·Moderate ·High school level

Noun

1
A window space projecting outward from the main walls of a building and forming a bay in a room.
2
a window that sticks out from the outside wall of a house wordnet
3
A protruding belly. figuratively, slang
"Marriages that are based only on sex appeal generally fizzle out as soon as he gets a bay window and her figure becomes a bit lumpish."
4
slang for a paunch wordnet
5
The stomach of a pregnant woman. figuratively, slang

"Marriages that are based only on sex appeal generally fizzle out as soon as he gets a bay window and her figure becomes a bit lumpish."

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