noun \ˈlü-vər\

: an opening in a door or window that has one or more slanted strips to allow air to flow in and out while keeping out rain and sun

: one of the slanted strips of a louver

Full Definition of LOUVER

:  a roof lantern or turret often with slatted apertures for escape of smoke or admission of light in a medieval building
a :  an opening provided with one or more slanted fixed or movable fins to allow flow of air but to exclude rain or sun or to provide privacy
b :  a finned or vaned device for controlling a flow of air or the radiation of light
c :  a fin or shutter of a louver
lou·vered also lou·vred \-vərd\ adjective

Variants of LOUVER

lou·ver or lou·vre \ˈlü-vər\

Origin of LOUVER

Middle English lover, from Anglo-French
First Known Use: 14th century

Rhymes with LOUVER


noun    (Concise Encyclopedia)

Arrangement of parallel, horizontal blades or slats of glass, wood, or other material designed to regulate airflow or light penetration. Louvers are often used in windows or doors to allow air or light in while keeping the elements out. They may be either movable or fixed. The term also refers to metal blades covering the intake and exhaust outlets of ventilation and air-conditioning units.


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