louver

[ loo-ver ]
/ ˈlu vər /

noun

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, lou·vre.

Origin of louver

1325–75; Middle English lover < Middle French lovier < Middle Dutch love gallery. See lobby

OTHER WORDS FROM louver

lou·vered, adjective

WORDS THAT MAY BE CONFUSED WITH louver

louver Louvre lover