window

noun, often attributive
win·​dow | \ ˈwin-(ˌ)dō How to pronounce window (audio) \

Definition of window

1a : an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (such as glass) and capable of being opened and shut
c : a space behind a window of a retail store containing displayed merchandise
d : an opening in a partition or wall through which business is conducted a bank teller's window
2 : a means of entrance or access especially : a means of obtaining information a window on history
3 : an opening (such as a shutter, slot, or valve) that resembles or suggests a window
4 : the transparent panel or opening of a window envelope
5 : the framework (such as a shutter or sash with its fittings) that closes a window opening
7 : a range of wavelengths in the electromagnetic spectrum to which a planet's atmosphere is transparent
8a : an interval of time within which a rocket or spacecraft must be launched to accomplish a particular mission
b : an interval of time during which certain conditions or an opportunity exists a window of vulnerability
9 : an area at the limits of the earth's sensible atmosphere through which a spacecraft must pass for successful reentry
10 : any of various rectangular boxes appearing on a computer screen that display files or program output, that can usually be moved and resized, and that facilitate multitasking
out the window
: out of existence, use, or consideration

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Other Words from window

windowless \ ˈwin-​dō-​ləs How to pronounce windowless (audio) , -​də-​ \ adjective

Examples of window in a Sentence

She opened a window to let in some air. I looked out the window and saw a deer. He used vinegar and water to wash the windows. He accidentally broke a window. Can you roll down the car window? The windows along 5th Avenue were all decorated for Christmas. I saw a beautiful dress in the window. He sits behind a window and sells movie tickets. Make sure the address shows through the window in the envelope. A window opened in the fog and we could finally see the ocean.
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Recent Examples on the Web There were plenty of bad Miami teams vs. strong New England squads in that window, dating back to 2013. Ryan R. Bonini, USA TODAY Sportsbook Wire, "New England Patriots at Miami Dolphins Week 2 odds, picks and best bets [UPDATED]," 15 Sep. 2019 Someone broke the screen in a bedroom window to get inside the apartment. Bob Sandrick, cleveland.com, "Pit bull attacks dog out for walk: Brook Park Police Blotter," 13 Sep. 2019 Or Pet, in this case, can help create that window of possibility. Gabe Bergado, Teen Vogue, "Akwaeke Emezi on "Pet" and on Making a Better World for Their Protagonist, a Black Trans Girl Named Jam," 13 Sep. 2019 Pininfarina made those windows of a material that’s more permeable to cellular signals than conventional glass. Wired, "Imagine the Views From This Italian-Designed Swiss Train," 8 Sep. 2019 The living/dining space also connects to two other essential rooms: a bedroom of roughly 100 square feet with two windows and a decent closet. Boston.com Real Estate, "Home of the Week: The flooring in this 3-bedroom Cape is school chalkboards," 7 Sep. 2019 And a 68-year-old Indialantic man who was putting plywood on the windows of a beachside condominium in preparation for Hurricane Dorian Sunday afternoon apparently fell three stories and died, reports WKMG partner Florida Today. CBS News, "Hurricane Dorian moving up East Coast after leaving Bahamas in ruins," 4 Sep. 2019 Investigators believe the intruder entered removed a screen in an open bedroom window and gained access to the home, officials said. Greg Moran, San Diego Union-Tribune, "Woman in Imperial Beach awakens to find intruder groping her; detectives investigate," 3 Sep. 2019 The replay plays in a small window in the upper right corner of the screen, and the virtual diagram of the play animates along with the video. David Kravets, Ars Technica, "How the NFL—not the NSA—is impacting data gathering well beyond the gridiron," 1 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'window.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of window

13th century, in the meaning defined at sense 1a

History and Etymology for window

Middle English windowe, from Old Norse vindauga, from vindr wind (akin to Old English wind) + auga eye; akin to Old English ēage eye — more at eye

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Statistics for window

Last Updated

24 Oct 2019

Time Traveler for window

The first known use of window was in the 13th century

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More Definitions for window

window

noun
How to pronounce window (audio)

English Language Learners Definition of window

: an opening in a wall, door, etc., that usually contains a sheet of glass
: a sheet of glass that covers an opening in a building, vehicle, etc.
: a large window at the front of a store where goods are displayed so that they can be seen by people who are walking past

window

noun
win·​dow | \ ˈwin-dō How to pronounce window (audio) \

Kids Definition of window

1 : an opening in a wall to let in light and air
2 : the glass and frame that fill a window opening
3 : any of the areas into which a computer display may be divided and on which different types of information may be shown

Other Words from window

windowless adjective a windowless room

window

noun
win·​dow | \ ˈwin-(ˌ)dō, -də(-w) How to pronounce window (audio) \

Medical Definition of window

2 : a small surgically created opening : fenestra sense 2a
3 : a usually narrow interval of time or range of values for which a certain condition or an opportunity exists coma and multiorgan failure can occur within hours and there may be a very narrow window of opportunity for transplantation— J. P. A. Lodge — see therapeutic window

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More from Merriam-Webster on window

Spanish Central: Translation of window

Nglish: Translation of window for Spanish Speakers

Britannica English: Translation of window for Arabic Speakers

Britannica.com: Encyclopedia article about window

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