Definition of window

Definition of window
  1. window Noun An opening, usually covered by one or more panes of clear glass, to allow light and air from outside to enter a building or vehicle.
  2. window Noun An opening, usually covered by glass, in a shop which allows people to view the shop and its products from outside.
  3. window Noun A period of time when something is available.
  4. window Noun A rectangular area on a computer terminal or screen containing some kind of user interface, displaying the output of and allowing input for one of a number of simultaneously running computer processes.
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