louver
lou·ver
noun \ˈlü-vər\Definition of LOUVER
1
: a roof lantern or turret often with slatted apertures for escape of smoke or admission of light in a medieval building
2
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
See Variants of LOUVER
lou·ver or lou·vre \ˈlü-vər\
Origin of LOUVER
Middle English lover, from Anglo-French
First Known Use: 14th century
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