Sentence:  Some liar 's logic , a wisp of optimism as fragile as the scent of tropical blossoms that came through the <WSD>window</WSD> ( a euphoria perhaps engendered by the pill Fritzie had given her ) , consoled her for a moment . 
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