A half circle or half ellipse over a door or occasionally another window, containing muntins in a fanlike pattern. Fanlights are associated with Adam, Colonial Revival, early Classical Revival, and Neoclassical houses.
A window, often semi-circular or elliptical, placed above a doorway. (Fanlights often include a delicate, radiating arrangement of windowpanes suggesting a fan.) KEYSTONE: The wedge-shaped central block or stone at the center of an arch. LINTEL: A horizontal beam spanning a door or window, or other opening. A lintel may be structural, carrying the weight of the wall above, or just decorative.