fan window

noun

Architecture.

1. a window having a fanlike form with radiating sash bars, used especially as a fanlight.

Word History and Origins

Origin of fan window¹

First recorded in 1870–75

Example Sentences

In an Airbnb in Swansea earlier in the year, I thought I had finally cracked the combination of pyjamas/sheet/fan/window to prevent both overheating and hypothermia, until the door was closed and I noticed that the window opened directly on to a ledge accessible from a sloped roof above the kitchen.

Read more on The Guardian

Mr. Stewart and his colleagues are the sort who take the lack of a window — known as a “rail fan window,” where enthusiasts like to peer at the tracks — as a personal affront.

Read more on New York Times

But once you passed through the Colonial doorways, with only an occasional fan window or low relief pillar to suggest that a certain muted adornment was permissible, you entered an extravaganza of Pompadour splendor.

Read more on Literature

Some of the interior fixtures are still in place, including interior moldings, wood flooring and a half-round, spoked fan window on the second story, Ausenhus said.

Read more on Washington Times

The stained-glass fan window was rotting and had to be repaired and a portion of the wood framing as well as the stained glass replaced.

Read more on Washington Times