Definitions of louver

  1. one of a set of parallel slats in a door or window to admit air and reject rain Scrapingweb Dictionary DB
  2. Alt. of Louvre Webster Dictionary DB
  3. An open turret or lantern on ancient roofs, originally for the escape of smoke, now glazed as a sky-light. A louvre window, in church steeples, an opening crossed by bars of wood, called louvre- or buffer-boards, to exclude rain, lint allow the passage of sound from the bells. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  4. To supply with louvers. dictgcide_fs
  5. Domed turret-like erection on medieval hall-roof &c. with side openings to let smoke out or air in; (pl., also l.-boards) arrangement of overlapping boards or slips of glass to admit air but exclude rain. Hence louvered a. [old French] Concise Oxford Dictionary

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