Definitions from Wiktionary ( )

▸ 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.
▸ noun:  An opening, usually covered by glass, in a shop which allows people to view the shop and its products from outside; a shop window.
▸ noun:  (architecture) The shutter, casement, sash with its fittings, or other framework, which closes a window opening.
▸ noun:  (figurative) A period of time when something is available or possible; a limited opportunity.
▸ noun:  (figurative) Something that allows one to see through or into something
▸ noun:  A restricted range.
▸ noun:  (graphical user interface) A rectangular area on a computer terminal or screen containing some kind of user interface, displaying output and allowing input, often for a single task in a multitasking system.
▸ noun:  A figure formed of lines crossing each other.
▸ noun:  (medicine) The time between first infection and detectability.
▸ noun:  (military, historical, uncountable) Synonym of chaff (“strips of material intended to confuse radar”)
▸ noun:  (signal processing) A function multiplied with a signal to reduce spectral leakage when performing a Fourier transform.
▸ verb:  (transitive) To furnish with windows.
▸ verb:  (transitive) To place at or in a window.
▸ verb:  (transitive, signal processing) To apply a window function to (a signal).

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