fan·light /ˈfænˌlaɪt/
扇形氣窗
fanlight
n 1: a window above a door and hinged to a transom [syn: transom,
transom window]
2: a window in a roof to admit daylight [syn: skylight]
3: a semicircular window over a door or window; usually has
sash bars like the ribs of a fan