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

When displayed in a window, the flag should have the union or blue field to the left of the observer in the street. Maggie Maloney, Town & Country, "Everything You Need to Know About American Flag Etiquette," 15 May 2019 The cleaning pro will wash interior windows, clean shower tracks, and even scour the inside of mom's fridge, oven, and cabinets for an additional fee. Jessica Teich, Good Housekeeping, "Amazon's Most Popular Last-Minute Mother's Day Gift Is on Sale Today," 10 May 2019 With north and south facing windows, the apartment is flooded with light and includes four and a half bathrooms and three large bedrooms, which are separate from the entertaining spaces. Lucia Tonelli, ELLE Decor, "Inside Lee Radziwill's Energetic Upper East Side Apartment," 8 May 2019 Unrelentingly black walls frame giant windows, a theme the interior designer, together with her sister and business partner, borrowed from the original structure. Tim Gavan, WSJ, "Paint Your Sunroom Black. You’ll Thank Us.," 26 Apr. 2019 But sometimes the earlier, the better: Rick Seaney of FareCompare told USA Today that 3.5 months in advance is the most ideal window for summer, specifically. Megan Stein, Country Living, "Here's the Best Time to Book Your Summer Travel," 27 Feb. 2019 Also the big unshuttered and often curtainless windows that allow a clear view of whatever—and whoever—is inside. Steve King, Condé Nast Traveler, "Why We Keep Going Back to Amsterdam," 24 Dec. 2018 The company can launch each day in that window, between 5PM and 8PM NZT (which on the US East Coast is between 11PM ET and 3AM ET). Loren Grush, The Verge, "Small satellite launcher Rocket Lab is poised to send up its first batch of spacecraft for NASA," 12 Dec. 2018 These frequently take the form of horizontal and vertical shadows, as well as barred windows, trees and architecture, and occasionally literal bars. Aja Romano, Vox, "Why Bernardo Bertolucci’s The Conformist still resonates today," 3 Dec. 2018

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

23 May 2019

Look-up Popularity

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

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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