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window - definition and synonyms


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noun [countable] window pronunciation in American English /ˈwɪndoʊ/
Word Forms
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  1. 1
    a frame in a wall with glass in it that lets light and air into a room and lets you see what is outside
    She just stood there staring out of the window.
    Through the window he saw a figure coming up the path.
    She was watching him from an upstairs window.
    open/close a window: Do you mind if I open a window?
  2. 2
    computing one of the different work areas on a computer screen
    open/close a window: Click on the X to close the window.
  3. 4
    a period of time when you can do something
    I’ve got a window on Friday when I could see you.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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