windows

Noun

window (countable and uncountable, plural windows)

1. 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.
   • She opened the window to let some air in.
2. An opening, usually covered by glass, in a shop which allows people to view the shop and its products from outside; a shop window.
   • There is an hour or two, after the passengers have embarked, which is disquieting and fussy.[…]Passengers wander restlessly about or hurry, with futile energy, from place to place. Pushing men hustle each other at the windows of the purser's office, under pretence of expecting letters or...1915, G[eorge] A. Birmingham [pseudonym; James Owen Hannay], chapter I, in Gossamer, New York, N.Y.: George H. Doran Company, →OCLC
3. The shutter, casement, sash with its fittings, or other framework, which closes a window opening.
4. (figuratively) A period of time when something is available or possible; a limited opportunity.
   • launch window
5. (figuratively) Something that allows one to see through or into something.
   • His journal provides a rare window into his otherwise obscure life.
6. A restricted range.
   • In this case, a band-pass filter using a range or window of frequencies is appropriate to isolate the frequency or the group of frequencies that characterize a specific cycle.2015, Patrick R. Nicolas, Scala for Machine Learning, page 109

See all 15 meanings of window