Louver
noun ·Uncommon ·Advanced level
Definitions
- 1 A type of turret on the roof of certain medieval buildings designed to allow ventilation or the admission of light.
"But darknesse dred and daily night did hover / Through all the inner parts, wherein they dwelt; / Ne lightned was with window, nor with lover, / But with continuall candle-light […]."
- 2 one of a set of parallel slats in a door or window to admit air and reject rain wordnet
- 3 A series of sloping overlapping slats or boards which admit air and light but exclude rain etc. in-plural
- 4 Any of a system of slits, as in the hood of an automobile, for ventilation.
Example
More examples"But darknesse dred and daily night did hover / Through all the inner parts, wherein they dwelt; / Ne lightned was with window, nor with lover, / But with continuall candle-light […]."
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”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.