ˈjaləsē, -si sometimes | ̷ ̷ ̷ ̷|sē noun
( -s )
Etymology: French, literally, jealousy, from Old French jalousie, jelousie — more at jealousy
1. : a blind or shutter having horizontal slats that are adjustable or fixed at an angle to admit light and air while excluding sun and rain and to permit looking out from behind them without being visible to the outside
2. or jalousie window : a window made of adjustable glass louvers that control ventilation