- window
- win|dowW1S1 [ˈwındəu US -dou] n[Date: 1200-1300; : Old Norse; Origin: vindauga, from vindr 'wind' + auga 'eye']1.) a space or an area of glass in the wall of a building or vehicle that lets in lightopen/close/shut a window▪ Do you mind if I open the window?out of/from/through the window▪ She looked out of the window to see if it was raining.▪ The sun was shining through the windows.in the window(=just inside a window)▪ We were looking at the Christmas displays in the shop windows .bedroom/kitchen etc window2.) one of the separate areas on a computer screen where different programs are operating3.) also window of opportunitya short period of time that is available for a particular activity▪ Delay might open a window of opportunity for their rivals.4.) an area on an envelope with clear plastic in it which lets you see the address written on the letter inside the envelope5.) a window on/to the worldsomething that makes it possible to see and learn about what is happening in other parts of the world▪ Television provides us with a useful window on the world.6.) go out (of) the window informalto disappear completely or no longer have any effect▪ One glass of wine, and all my good intentions went out the window.
Dictionary of contemporary English. 2013.