louver

[ loo-ver ]

noun
  1. any of a series of narrow openings framed at their longer edges with slanting, overlapping fins or slats, adjustable for admitting light and air while shutting out rain.

  2. a fin or slat framing such an opening.

  1. a ventilating turret or lantern, as on the roof of a medieval building.

  2. any of a system of slits formed in the hood of an automobile, the door of a metal locker, etc., used especially for ventilation.

  3. a door, window, or the like, having adjustable louvers.

verb (used with object)
  1. to make a louver in; add louvers to: to louver a door.

Origin of louver

1
1325–75; Middle English lover<Middle French lovier<Middle Dutch love gallery. See lobby
  • Also especially British, lou·vre .

Other words from louver

  • louvered, adjective

Words that may be confused with louver

Words Nearby louver

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use louver in a sentence

  • By good luck, we did not need it; for as he passed it to me, the louver at which I was tugging broke and came away in my hand.

    The Adventures of Harry Revel | Sir Arthur Thomas Quiller-Couch
  • For Pim o Cuddys pigeons knew their way home through the broken louver-boards of the squat belfry by this.

    Back o' the Moon | Oliver Onions
  • The fire of pine logs was in the midst of the hall, and the smoke went out through a louver in the roof.

  • The bird was wheeling in the golden light over the belfry of the church, the belfry with the new louver-boards.

    Back o' the Moon | Oliver Onions
  • Forepaugh leaped to the ventilating louver and closed it tightly.