louver

play
noun lou·ver \ˈlü-vər\
variants: or

louvre

Definition of louver

  1. 1 :  a roof lantern or turret often with slatted apertures for escape of smoke or admission of light in a medieval building

  2. 2a :  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 privacyb :  a finned or vaned device for controlling a flow of air or the radiation of lightc :  a fin or shutter of a louver

louvered

or less commonly

louvred

play \ˈlü-vərd\ adjective

Recent Examples of louver from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'louver'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of louver

Middle English lover, from Anglo-French


LOUVER Defined for English Language Learners

louver

play
noun

Definition of louver for English Language Learners

  • : an opening in a door or window that has one or more slanted strips to allow air to flow in and out while keeping out rain and sun

  • : one of the slanted strips of a louver



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