window Definition in the Cambridge English Dictionary
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Definition of “window” - English Dictionary

Definition of "window" - American English Dictionary

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windownoun [C]

 us   /ˈwɪn·doʊ/

window noun [C] (OPENING)

an ​opening in the ​wall of a ​building or ​vehicle, usually ​covered with ​glass, to ​letlight and ​air in and to ​allowpeople inside to ​see out: to ​open/​close a window From her ​bedroom window she could ​see a ​lovelygarden. In a ​store, a window is the ​large glass-covered ​front behind which ​goods for ​sale are usually ​shown: We ​walked along Fifth ​Avenue, ​looking in the ​shop windows. A window is also a ​period when there is an ​unusualopportunity to do something: If a window of ​opportunitypresents itself, I’d be a ​fool not to take ​advantage of it.

window noun [C] (COMPUTER)

an ​area of a ​computerscreen that ​shows a ​particulartype of ​information
(Definition of window from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "window" - British English Dictionary

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windownoun

uk   /ˈwɪn.dəʊ/  us   /-doʊ/

window noun (GLASS)

A1 [C] a ​space usually ​filled with ​glass in the ​wall of a ​building or in a ​vehicle, to ​allowlight and ​air in and to ​allowpeople inside the ​building to ​see out: Is it all ​right if I ​open/​close the window? He ​caught me ​staring out of the window. I ​saw a child's ​face at the window. She has some ​wonderfulplants in the window (= on a ​surface at the ​bottom of the window). I was ​admiring the cathedral's stained-glass windows. Have you ​paid the window cleaner (= ​person whose ​job is to ​clean the ​outside of windows)? window ​frames a window ​ledge [S] literary something that makes it ​possible for you to ​see and ​learn about a ​situation or ​experience that is different from ​your own: The ​filmprovides a window on the ​immigrantexperience. [C] a ​transparentrectangle on the ​front of an ​envelope, through which you can ​read the ​address written on the ​letter inside [C] the ​decorativearrangement of ​goods behind the window at the ​front of a ​shop, in ​addition to the window itself: How much is the ​jacket in the window? The ​shop windows are ​wonderful around ​Christmastime.
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window noun (COMPUTER)

B1 [C] a ​separatearea on a ​computerscreen that ​showsinformation and can be ​moved around: to ​minimize/​maximize a window

window noun (OPPORTUNITY)

[C] a ​period when there is an ​opportunity to do something: I'm ​busy this ​week but there might be a window on ​Friday. If a window of ​opportunity (= an ​opportunity) should ​present itself, I'd take ​advantage of it.
(Definition of window from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "window" - Business English Dictionary

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windownoun [C]

uk   us   /ˈwɪndəʊ/
IT one of the ​separateareas that can be ​opened and ​moved around on a ​computerscreen to use particular ​programs: The ​information appeared in a new window. click on/​close/​open a window maximize/​minimize/​move a window enlarge/​reduce a window
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a ​shortperiod in between other ​activities when there is an ​opportunity to do something: I have a window on Thursday morning, so we could ​meet then. The difficult ​economicconditionsprovide a window of ​opportunity for longterm ​investors.
COMMERCE the large ​area of glass at the ​front of a ​store behind which ​goods are ​displayed: Could I ​try on the ​dress in the window? Stores don't tend to put anything above a ​size 8 in their window ​displays.
(Definition of window from the Cambridge Business English Dictionary © Cambridge University Press)
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