Definition of dormer in English:


Syllabification: dor·mer
Pronunciation: /ˈdôrmər
(also dormer window)


A window that projects vertically from a sloping roof.
More example sentences
  • The bright master bedroom has a dormer window to the front and a second window to the side.
  • With the passing of the Act, politicians promised that homeowners would no longer need to seek permission from the ‘superior’ to install a dormer window in their attic or to build a conservatory.
  • Despite this it was mostly very original and intact when I got it, with a bedroom with a small dormer window in the attic space.


late 16th century (denoting the window of a dormitory or bedroom): from Old French dormeor 'dormitory', from dormir 'to sleep'.

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