D defs.my
Entry 1 sense Webster, 1913

Dormer

/dôr'-mẽr/ · Dor·mer · IPA /ˈdɔɹmɚ/
01 n. 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 w…
  1. 1.
    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.(Arch.)