dormer(redirected from Dormer (surname))
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1. A small roofed structure projecting outward on a larger sloping roof.
2. A window set in such a structure.
[Obsolete French dormeor, sleeping room, from dormir, to sleep; see dormant.]
(Architecture) a construction with a gable roof and a window at its outer end that projects from a sloping roof. Also called: dormer window
[C16: from Old French dormoir, from Latin dormītōrium dormitory]
1. Also called dor′mer win′dow. a vertical window in a projection built out from a sloping roof.
2. the entire projecting structure.
[1585–95; < Middle French dormoir dormitory]