lou ‧ vre BrE AmE British English , louver American English /ˈluːvə $ -ər/ noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: lover ]
1 . a narrow piece of wood, glass etc in a door or window, that slopes towards the outside to let some light in and keep rain or strong sun out
2 . louvre window/door British English a door or window made of these pieces of wood, glass etc
—louvred adjective :
louvred shutters