Sentence:  `` Well , that 's your business , Mr. Skyros '' , said Angie , and his dreamy eyes moved past Mr. Skyros ' shoulder to gaze vaguely out the ground glass <WSD>window</WSD> . 
Meaning of the word marked with <WSD> tags:  a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air