Dreye权威释义

n.[C]

竖铰链窗；窗扉
A casement is a window that opens by means of hinges at the side.
竖铰链窗是一种用边上的铰链开启的窗户。
框；壳；罩

同义参见:

以上来源于：《英汉大辞典》

n.

a window set on a vertical hinge so that it opens like a door.

ME (as an architectural term denoting a hollow moulding): from Anglo-Latin cassimentum, from cassa, from L. capsa (see case²).

以上来源于：《简明牛津英语词典》