[ dawr-mer ]
/ ˈdɔr mər /


Also called dormer window. a vertical window in a projection built out from a sloping roof.
the entire projecting structure.

Origin of dormer

1585–95; < Middle French dormoir dormitory

Related forms

dor·mered, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dormer

British Dictionary definitions for dormer


/ (ˈdɔːmə) /


a construction with a gable roof and a window at its outer end that projects from a sloping roofAlso called: dormer window

Word Origin for dormer

C16: from Old French dormoir, from Latin dormītōrium dormitory
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012