A louver -LRB- American English -RRB- or louvre -LRB- British English -RRB-, from the French l'ouvert ; '' the open one '' -RRB- is a window, blind or shutter with horizontal or, less often, vertical slats, that are angled to admit light and air, but to keep out rain, direct sunshine, and noise.
Ils sont également disponibles comme accessoires pour certaines automobiles.