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dormer

American  
[dawr-mer] / ˈdɔr mər /

noun

  1. Also called dormer window.  a vertical window in a projection built out from a sloping roof.

  2. the entire projecting structure.

dormer British  
/ ˈdɔːmə /

noun

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

"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

Other Word Forms

  • dormered adjective

Etymology

Origin of dormer

1585–95; < Middle French dormoir dormitory

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The roof and an upstairs dormer window of the property were severely damaged by fire.

From BBC

A few have Asian-inspired elements like flared or upturned columns or dormers, while others incorporate floral motifs and stained glass.

From Los Angeles Times

Plumbing vent pipes, dormers, turbine vents, chimneys, pot vents, powered attic ventilation fans, solar-array-panel brackets, etc., are all examples of things that are not a roof but found on roofs.

From Seattle Times

A dormer is a roofed structure for a window.

From Seattle Times

An attic conversion could need dormers to elevate the roofline and turn it into a bathroom or bedroom that meets the code.

From Seattle Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.