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[loo-ver] /ˈlu vər/
noun, verb (used with object), louvred, louvring. Chiefly British.


[loo-ver] /ˈlu vər/
any of a series of narrow openings framed at their longer edges with slanting, overlapping fins or slats, adjustable for admitting light and air while shutting out rain.
a fin or slat framing such an opening.
a ventilating turret or lantern, as on the roof of a medieval building.
any of a system of slits formed in the hood of an automobile, the door of a metal locker, etc., used especially for ventilation.
a door, window, or the like, having adjustable louvers.
verb (used with object)
to make a louver in; add louvers to:
to louver a door.
Also, especially British, louvre.
Origin of louver
1325-75; Middle English lover < Middle French lovier < Middle Dutch love gallery. See lobby
Related forms
louvered, adjective
Can be confused
louver, Louvre, lover. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for louvred
Historical Examples
  • Both rows of windows are shuttered; those of the upper row are louvred, and those in the lower row have solid panels.

    The Fairfax County Courthouse Ross D. Netherton
British Dictionary definitions for louvred


(of a window, door, etc) having louvres


  1. any of a set of horizontal parallel slats in a door or window, sloping outwards to throw off rain and admit air
  2. Also called louvre boards. the slats together with the frame supporting them
(architect) a lantern or turret that allows smoke to escape
Word Origin
C14: from Old French lovier, of obscure origin


/French luvrə/
the national museum and art gallery of France, in Paris: formerly a royal palace, begun in 1546; used for its present purpose since 1793
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
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Word Origin and History for louvred



also louvre, early 14c., "domed turret-like structure atop a building to disperse smoke and admit light," from Old French lovier, of uncertain origin. One theory connects it to Medieval Latin *lodarium, which might be from a Germanic source (cf. Old High German louba "upper room, roof;" see lobby). Another suggests it is from French l'ouvert, literally "the open place," from le, definite article, + past participle of ouvrir "to open." Meaning "overlapping strips in a window (to let in air but keep out rain)" first recorded 1550s. The form has been influenced by apparently unrelated French Louvre, the name of the palace in Paris, which is said to be so named because its builder, Philip Augustus, intended it as a wolf kennel. Related: Louvered.

Online Etymology Dictionary, © 2010 Douglas Harper
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louvred in Culture
Louvre [(loohv, loohv-ruh)]

An art museum in Paris, formerly a royal palace. The Mona Lisa, Venus de Milo, Whistler's Mother, and thousands of other works of art are exhibited there.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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