• WordNet 3.6
    • n louver one of a set of parallel slats in a door or window to admit air and reject rain
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Century Dictionary and Cyclopedia
    • n louver A form of lantern or turret rising from the roof of a hall or other apartment in medieval domestic edifices, at first open at the sides. Its original function was to supply an outlet for smoke from fires. After this use was superseded by the introduction of chimneys, the louver was inclosed with glass.
    • n louver A chimney-flue.
    • n louver In architecture, a long window-like opening closed with broad slats sloping downward and outward. See abat-vent.
    • n louver The aperture in a dove-cote at which the bird enters; also, the dove-cote itself.
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Chambers's Twentieth Century Dictionary
    • n Louver an opening of a turret shape on roofs, to allow the smoke or foul air to escape from halls, kitchens, &c
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Chambers's Twentieth Century Dictionary
O. Fr. louvert for l'ouvert, the open space.


In literature:

He went into the living room and found the operating instructions tucked into a ventilation louver of the machine.
"Bad Medicine" by Robert Sheckley
Associated Words: louver boarding.
"Putnam's Word Book" by Louis A. Flemming
Sometimes a cat was used to open and shut the louvers of the smoke outlet in the roof.
"Our Legal Heritage, 5th Ed." by S. A. Reilly
I wrenched at the wooden louvers.
"The Adventures of Harry Revel" by Sir Arthur Thomas Quiller-Couch
Louvered shades cut the green glare of a noon sun.
"Operation Haystack" by Frank Patrick Herbert
Louvers or inclined panes or parts of these may also be used.
"The Home Medical Library, Volume V (of VI)" by Various
Stables should be as light as living rooms, but with louvers to darken them in summer, in order to keep out the flies.
"A New Illustrated Edition of J. S. Rarey's Art of Taming Horses" by J. S. Rarey
Except for heavy louvers instead of panels, they are much like shutters.
"The Colonial Architecture of Philadelphia" by Frank Cousins
The exterior shutters consist of a single panel of fixed louvers and much shutter hardware survives.
"Huntley" by Tony P. Wrenn

In news:

I use these joints when building ladder bookcases, louvers, railings and several decorative elements.
An H&H Flathead is under the louvered hood, and the car rolls on 16-inch steelies.
Just back from the Louver show at Downtown L.A.
Louver 's downstairs gallery, turn left and immediately head for the smaller side room.
Based on results from these AMCA tests, wind-driven rain louvers clearly outperform traditional louvers in these unique circumstances.
Like all other FMT templates, the Louver Door Guides (left and right, $49.95 per pair) snap into the FMT Jig.
Louvers can be made by rounding the corners on 1/4-in.
Then in the next moto the louver/protector went missing.
Tested to FEMA 361, this severe-duty grille can be mounted internally, externally, or in conjunction with other louvers.
The fixed louvers on the corner window are angled to deflect the sun at its hottest.
It was just a peek through the louvered shutters eight years ago, but it was enough to convince Will Germain that he wanted the Dumaine Street town house.
Revision of D3656 - 07 Standard Specification for Insect Screening and Louver Cloth Woven from Vinyl-Coated Glass Yarns.
The system luminaire contains circular louvers with an integrated lamp shielding to provide glare protection.
Nasher Sculpture Center officials championed the "louvered" solution, designed by Dallas architect Rick del Monte.
Surrounded by about an acre of white louvered panels that shade the exterior.

In science:

Murphy (1999) investigated the heat produced by the electrical power, which may be redirected through the closed thermal control louvers (Scheffer 2003), but the resulting acceleration would also decrease with the radioactive decay.
The Anomalous Acceleration of the Pioneer Spacecrafts
To minimize heater power thermal louvers may be used.
Science, Technology and Mission Design for the Laser Astrometric Test Of Relativity