fanlight

English

From fan + light (“window”).

fanlight (plural fanlights)

a semicircular or semioval window over a door or other window, normally having a fan-like structure of ribs; sometimes hinged to the transom
- 1960, John Updike, 'Rabbit, Run', page 65:
  This street is Summer. Faces of brick run together to make a single block-long face. The house numbers are set in fanlights of stained glass above the doors.
- 1982, John Banville, The Newton Letter:
  It turned out to be a big gloomy pile with ivy and peeling walls and a smashed fanlight over the door, the kind of place where you picture a mad stepdaughter locked up in the attic.
an electric fan, usually a ceiling fan, that is also a light fixture

semioval window with a fan-like structure of ribs