1. (noun) a window above a door that is usually hinged to a horizontal crosspiece over the door

• transom
• transom window

2. (noun) a window in a roof to admit daylight

• skylight

1. (noun) a window above a door that is usually hinged to a horizontal crosspiece over the door

• window

2. (noun) a window in a roof to admit daylight

• window

3. (noun) a semicircular window over a door or window; usually has sash bars like the ribs of a fan

• window