abat-vent
nounUS /ɑˌbɑˈvɑ̃/
Etymology Borrowed from French abat-vent, from abattre (“to throw down”) + vent (“wind”), from Latin ventus.
1
Architecture Louvres or strips of wood or metal used as windbreaks that allow light and air in, often seen in belfries.
2
A sloping roof.
3
A roof extension supported by outriggers extended from the building facade at the roof line.
4
A metal chimney cap.