# louver

> English word · Noun · IPA /ˈluːvə/

## Definitions
1. A type of turret on the roof of certain medieval buildings designed to allow ventilation or the admission of light.
2. A series of sloping overlapping slats or boards which admit air and light but exclude rain etc.
3. Any of a system of slits, as in the hood of an automobile, for ventilation.

## Etymology
Inherited from Middle English lover, from Old French lovier, lover (“skylight”), from Medieval Latin *lōdārium (attested as lōvārium), extension of lōdium, of unclear origin, but probably of Germanic origin and related to Frankish *laubijā (“shelter”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/louver