dormant window

• 屋顶的天窗,老虎窗,不能开的窗

dormant window的用法和样例：

例句

1. The window in a gabled extension built to accommodate a window.
   屋顶斜坡上凸出的天窗。
2. The dormer window of the garret, through which the light fell, was precisely opposite the door, and illuminated the figure with a wan light.
   那间破屋子的天窗正对着房门，昏暗的光从上面透进来，照着姑娘的脸。