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a construction with a gable roof and a window at its outer end that projects from a sloping roof
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


A structure projecting from a sloping roof, usually housing a vertical window that is placed in a small gable, or containing a ventilating louver.

arched dormer

A dormer that has a semi-cylindrical-shaped roof; the head of the window in the dormer may be either rounded or flat.

eyebrow dormer

A low dormer on the slope of a roof. It has no sides; the roof is carried over it in a continuous wavy line.

hipped dormer

A dormer whose roof has a miniature hipped appearance in front, dying into the main roof surface at the back.

inset dormer

A dormer that is partially set below a sloping roof, unlike the usual dormer that projects entirely above the sloping roof. Same as recessed dormer.

recessed dormer

A dormer with all or part of the window set back into the roof surface, resulting in the sill being lower than the roof.

shed dormer

A dormer whose eave line is parallel to the main eave line of the roof, and whose flat roof plane slopes downward in a direction away from the ridge line of the main roof.

wall dormer

A dormer whose face is integral with the face of the wall below.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

dormer, dormer window

A structure projecting above a sloping roof, usually housing a vertical window. It is not part of the roof structure but is framed separately, and often provides daylight and ventilation for a room located in a garret or loft space. For definitions and illustrations of specific types, see arched dormer, deck dormer, eyebrow dormer, flat-head dormer, gable dormer, hipped dormer, inset dormer, mission dormer, oval dormer, Palladian dormer, pedimented dormer, pitched-roof dormer, pointed dormer, polygonal dormer, recessed dormer, ridge dormer, round dormer, segmental dormer, shed dormer, through-the-cornice dormer, triangular dormer, wall dormer, watershed dormer.

dormer window, dormer

dormer window
A vertical window which projects from a sloping roof, placed in a small gable.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Built to the highest standards, The Victoria A is a fantastic home for growing families or those looking for extra space, with charming features such as French doors and dormer windows. To help buyers ensure they do not miss out on the last few opportunities to secure The Victoria A, they can now reserve their new home via our online reservation system on our website as well as at the Park View marketing suite."
| Naeema Khan, construction of single-storey rear extension and front and rear dormer windows, 3, Ings Road, Dewsbury.
THE following planning applications have been received by Solihull Metropolitan Borough Council: Mr N Chauhan - Conversion of roof space incorporating dormer window to form additional bedroom at Flat 18, Chelsea Chilvers Grove, Kingshurst.
A previous plan for five dormer windows was rejected because of privacy concerns
The Fenimore, is an attractive six-bedroom home on three levels with dormer windows, which is not fully dressed but is carpeted throughout and boasts an attractive wooden verandah with patio-style seating area..
Upstairs, two family bedrooms with dormer windows share a bath.
The bedrooms all have dormer windows with roof light windows to the landing and bathroom, to conserve the building's roof lines.
Formation of two dormer windows to the rear of 51 Earlshill Drive, Howwood ?Erection of a single-storey extension to the rear of Ballacraine, 4 Hunter Place, Kilbarchan ?Installation of replacement windows to the front and rear of the flatted property at flat 0/2, 12 Greenlaw Avenue, Paisley ?Erection of a residential development comprising 49 sheltered retirement apartments with associated landscaping and parking at Royal Ordnance, Station Road, Bishopton ?
SUBMITTED | | C Mehafdi, construction of single and two-storey rear extension and front and rear dormer windows, 18, Dudley Road, Marsh.
Tyne Region North Ltd, which trades as Roseworth, has enlisted Nicholson Nairn Architects and also sent city planners CGIs showing how the building would look if it was constructed, in the same style as surrounding Georgian properties on St Mary's Square, complete with dormer windows on the top floor.