1. A framework holding a pane or panes of glass (or transparent plastic, etc.), built into a wall or roof to admit light, provide a view or allow ventilation
   "She opened the window to let in some fresh air"
    
2. A transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened
   "He rolled down the car window to feel the wind on his face"
    
3. (computing) a rectangular part of a computer screen that contains a display different from the rest of the screen
   "He minimized all the open windows on his desktop"
    
4. An opening that resembles a window in appearance or function
   "he could see them through a window in the trees"
    
5. An opening in a wall or screen that admits light and air and through which customers can be served
   "he stuck his head in the window"
    
6. A pane of glass in a window
   "the ball shattered the window";
   - windowpane
    
7. A transparent panel (as of an envelope) inserted in an otherwise opaque material
   "The envelope had a clear window to show the recipient's address"
    
8. The time period that is considered best for starting or finishing something
   "the expanded window will give us time to catch the thieves"; "they had a window of less than an hour when an attack would have succeeded"

Derived forms: windows

Type of: display, frame, framework, gap, opening, pane, pane of glass, panel, period, period of time, time period, time span, video display, window glass

Part of: auto [informal], autobus, autocar [archaic], automobile [N. Amer], building, bus, car, charabanc [Brit], coach, computer display, computer screen, double-decker, edifice, jitney [N. Amer, informal], monitor, motor [Brit, informal], motorbus, motorcar, motorcoach, omnibus, passenger vehicle, wheel [informal], whip [US, informal], window envelope

Encyclopedia: Window, Gary