ドーマーウインドーalso: ドーマー・ウインドーCommon wordMeanings1noundormer windowA window projecting vertically from a sloping roof; a loanword from English used in architectural contexts.屋や根ね裏うら部べ屋やにはドーマーウインドーが付ついていて、明あかるくて快かい適てきだ。The attic room has a dormer window, so it's bright and comfortable.