louvre

views updated

louvre, louver, luffer.
1. Outlet for smoke in a roof.

2. Lantern or femerell over such an outlet with openings at its sides.

3. Structure on a roof for ventilation fitted with horizontal fixed lever-, louvre-, or luffer-boards sloping downwards and outwards, each board lapping over the one below, with a space between to exclude rain but allow the passage of air.

4. Any opening fitted with sloping boards or louvres, especially the belfry-stage of a church-tower.

More From encyclopedia.com