1 the opening in a building, car, etc that you can see through and that lets light in. A window usually has glass in it. 窗；窗户: Open the window. It's hot in here. 开窗吧，这里面很热。a shop window 商店的橱窗These windows need cleaning. 这几扇窗子需要清洗。

2 (computing计算机技术) an area inside a frame on a computer screen, that has a particular program operating in it, or shows a particular type of information （计算机屏幕的）窗口: to create/open/close a window 新建╱打开╱关闭窗口

3 a time when you have not arranged to do anything and so are free to meet sb, etc 没事做或空闲的一段时间；空档