an opening in the wall of a building, the side of a vehicle, etc., for the admission of air or light, or both, commonly fitted with a frame in which are set movable sashes containing panes of glass.
such an opening with the frame, sashes, and panes of glass, or any other device, by which it is closed.
the frame, sashes, and panes of glass, or the like, intended to fit such an opening: Finally the builders put in the windows.
anything likened to a window in appearance or function, as a transparent section in an envelope, displaying the address.
a period of time regarded as highly favorable for initiating or completing something: Investors have a window of perhaps six months before interest rates rise.
Military. chaff1 (def. 5).
Pharmacology. the drug dosage range that results in a therapeutic effect, a lower dose being insufficient and a higher dose being toxic.
a specific area at the outer limits of the earth's atmosphere through which a spacecraft must reenter to arrive safely at its planned destination.
Computers. a section of a display screen that can be created for viewing information from another part of a file or from another file: The split screen feature enables a user to create two or more windows.
to furnish with a window or windows.
Obsolete. to display or put in a window.
- win·dow·less, adjective
- win·dow·y, adjective
- un·win·dowed, adjective
- well-windowed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use window in a sentence
If you can’t get outside that often, looking out a window regularly should help.Healthy screen time is one challenge of distance learning | Kathryn Hulick | September 11, 2020 | Science News For Students
Generally, advertisers’ cancelation amounts increased from 30% to 50%, and the cancelation windows shrunk from 45 to 60 days before a quarter’s start to 30 to 45 days.‘There wasn’t a huge shift’: TV upfront market did not undergo expected overhaul this year | Tim Peterson | September 9, 2020 | Digiday
Closed stores and empty windows result in emptier sidewalks and streets.Myths and Shame Shouldn’t Guide Cannabis Regulations | John Bertsch | September 8, 2020 | Voice of San Diego
It took a few gummy bites of the curtain material, allowing me to open the window over its head.Why last week’s great tech sell-off should make investors wary | Bernhard Warner | September 8, 2020 | Fortune
On May 25, he threw a chair through a window at his brother’s house and drove off, hitting several parked vehicles.Longtime Sheriff’s Employee Contradicts Official Account of Jail Death | Kelly Davis | September 3, 2020 | Voice of San Diego
The interior video shows the gunman firing the shot through the window.
I fall back into a dream and then suddenly there is a tapping on the window just above my bed.The Story Behind Lee Marvin’s Liberty Valance Smile | Robert Ward | January 3, 2015 | THE DAILY BEAST
In fact, these kinds of advances helped give religion another huge window of opportunity for racial reconciliation in the 1960s.
As it was, The Affair ended its first season last night with me contemplating hurling my television out of the window.What On Earth Is ‘The Affair’ About? Season One’s Baffling Finale | Tim Teeman | December 22, 2014 | THE DAILY BEAST
The younger man rolled down his window to receive the approaching Williams “to see what he wanted.”Exposed: The Gay-Bashing Pastor’s Same-Sex Assault | M.L. Nestel | December 21, 2014 | THE DAILY BEAST
But at the instant I caught a sight of my counterfeit presentment in a shop window, and veiled my haughty crest.God and my Neighbour | Robert Blatchford
She had listened—she had listened intently, looking straight out of the window and without moving.Confidence | Henry James
The east window in this church has been classed as the A1 of modern painted windows.Showell's Dictionary of Birmingham | Thomas T. Harman and Walter Showell
The clerks had not arrived yet, and he beguiled the time by looking out of the staircase window.The Posthumous Papers of the Pickwick Club, v. 2(of 2) | Charles Dickens
As the window dropped, Ripperda saw the wounded postilion fall on the neck of his horse.The Pastor's Fire-side Vol. 3 of 4 | Jane Porter
British Dictionary definitions for window
a light framework, made of timber, metal, or plastic, that contains glass or glazed opening frames and is placed in a wall or roof to let in light or air or to see through: Related adjective: fenestral
an opening in the wall or roof of a building that is provided to let in light or air or to see through
the display space in and directly behind a shop window: the dress in the window
any opening or structure resembling a window in function or appearance, such as the transparent area of an envelope revealing an address within
an opportunity to see or understand something usually unseen: a window on the workings of Parliament
a period of unbooked time in a diary, schedule, etc
physics a region of the spectrum in which a medium transmits electromagnetic radiation: See also radio window
computing an area of a VDU display that may be manipulated separately from the rest of the display area; typically different files can be displayed simultaneously in different overlapping windows
(modifier) of or relating to a window or windows: a window ledge
out of the window informal dispensed with; disregarded
(tr) to furnish with or as if with windows
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with window
see out the window.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.