Longman Dictionary of Contemporary English homepage

Date: 1200-1300
Language: Old Norse
Origin: vindauga, from vindr 'wind' + auga 'eye'

window

noun
     
window
Related topics: Household, Computers
win‧dow S1 W1 [countable]
1DH a space or an area of glass in the wall of a building or vehicle that lets in light
open/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.
bay window, dormer window, french windows, picture window, sash window
2TDTD one of the separate areas on a computer screen where different programs are operating
3 also window of opportunity a 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 envelope
5

a window on/to the world

something 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

informal to disappear completely or no longer have any effect:
One glass of wine, and all my good intentions went out the window.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary