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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdɔr mər)

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dormer - a gabled extension built out from a sloping roof to accommodate a vertical windowdormer - a gabled extension built out from a sloping roof to accommodate a vertical window
window - a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈdɔːməʳ] N (also dormer window) → buhardilla f, lucerna f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˈdɔːrr] n (also dormer window) → lucarne f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

dormer (window)

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˈdɔːməʳ] n (also dormer window) → abbaino
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
"Dormer, for instance," said Bobby; "I think he comes under the head of fool-men.
Dormer isn't a fool yet, but he's a dashed dirty soldier, and his room corporal makes fun of his socks before kit-inspection.
Two broad dormer windows looked out toward the Gulf, and as far across it as a man's eye might reach.
There were two windows in it; the dormer one looked out on the lower harbor and the sand-bar and the Four Winds light.
There were no drapery curtains at the dormer windows, no pictures on the wall.
It begins at the water's edge, with a fringe of hotels, and scrambles up and spreads itself over two or three sharp hills in a crowded, disorderly, but picturesque way, offering to the eye a heaped-up confusion of red roofs, quaint gables, dormer windows, toothpick steeples, with here and there a bit of ancient embattled wall bending itself over the ridges, worm-fashion, and here and there an old square tower of heavy masonry.
The garret, built to be a depository for firewood and the like, was dim and dark: for, the window of dormer shape, was in truth a door in the roof, with a little crane over it for the hoisting up of stores from the street: unglazed, and closing up the middle in two pieces, like any other door of French construction.
Thousands of good, calm, bourgeois faces thronged the windows, the doors, the dormer windows, the roofs, gazing at the palace, gazing at the populace, and asking nothing more; for many Parisians content themselves with the spectacle of the spectators, and a wall behind which something is going on becomes at once, for us, a very curious thing indeed.
The doctor's house, on the side facing the garden, consists of a ground floor and a single story, with a row of five windows in each, dormer windows also project from the tiled mansard-roof.
"No, Bunny, I regret to say I came in through the dormer window.
Then there was the little business of the Dormer house-boat at Henley last year.
Part of her body and life it ever seemed to be; the slope of its dormers, the finish of its gables, the broken courses of brick which topped the chimney, all had something in common with her personal character.