noun

A type of window that projects out from a building, typically with a curved or angled shape and often used to create additional interior space or to provide a view.

Example

1. The living room of the old Victorian house had a beautiful bay window that let in plenty of natural light.
2. She loved sitting in the bay window of her bedroom and watching the world go by.
3. The architects designed the new office building with large bay windows to provide panoramic views of the city for its employees.