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

Origin and Etymology of louver

Middle English lover, from Anglo-French


First Known Use: 14th century


LOUVER Defined for English Language Learners

louver

play
noun lou·ver \ˈlü-vər\

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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