Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “window”

See all translations

window

noun 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 allow light and air in and to allow people 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's got some wonderful plants 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 film provides a window on the immigrant experience. [C] a transparent rectangle on the front of an envelope, through which you can read the address written on the letter inside [C] the decorative arrangement 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 Christmas time.
More examples

window noun (COMPUTER)

B1 [C] a separate area on a computer screen that shows information 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 quite 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)
What is the pronunciation of window?
Add Cambridge dictionaries to your browser to your website

Definitions of “window” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More