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a. any of a set of horizontal parallel slats in a door or window, sloping outwards to throw off rain and admit air
b. the slats together with the frame supporting them
2. Architect a lantern or turret that allows smoke to escape
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A window opening made up of overlapping boards, blades or slats, either fixed or adjustable, designed to allow ventilation in varying degrees without letting the sun or rain come in.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
An opening in a wall or ceiling with slanted or sloping slats to allow sunlight and ventilation and exclude rain; may be fixed or adjustable, and may be at the opening of a ventilating duct. Also known as outlet ventilator.
Any arrangement of fixed or adjustable slatlike openings to provide ventilation.
An arrangement of concentric or parallel slats or equivalent grille members used to conceal and protect a loudspeaker while allowing sound waves to pass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. An assembly of sloping, overlapping blades or slats; may be fixed or adjustable; designed to admit air and/or light in varying degrees and to exclude rain and snow; esp. used in doors, windows, and the intake and discharge of mechanical ventilation systems.
2. A dome or turret rising from the roof of the hall of a medieval English residence, originally open at the sides to
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A slotted opening in the structure that acts as an inlet of air. The amount of air may be controlled by opening or closing the openings in the louver.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved