louver.
A type of turret on the roof of certain medieval buildings designed to allow ventilation or the admission of light.
Meaning & usage
A type of turret on the roof of certain medieval buildings designed to allow ventilation or the admission of light.
A series of sloping overlapping slats or boards which admit air and light but exclude rain etc.
Any of a system of slits, as in the hood of an automobile, for ventilation.
Where this word comes from
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”). Compare Old Norse ljóri.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.