DORMER

Dor″mer (?), or Dor″mer win″dow (�), n. [[Literally, the window of a sleeping apartment. F. dormir to sleep. See Dormant, a. & n.]] (Arch.) A window pierced in a roof, and so set as to be vertical while the roof slopes away from it. Also, the gablet, or houselike structure, in which it is contained.