dormer Meaning, Definition & Usage

  1. noun a gabled extension built out from a sloping roof to accommodate a vertical window
    dormer window.

WordNet


Dor"mer, Dor"mer win"dow noun (Also<
  • Dormer
  • Dormer window
)
Etymology
Literally, the window of a sleeping apartment. F. dormir to sleep. See Dormant, a. & n.
Definitions
  1. (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.

Webster 1913