. Other terminology Architecture In architecture, "doghouse" is commonly a builder/contractor term for a dormer. The name is derived from the appearance of improperly proportioned dormers, which do resemble dog houses. A properly proportioned dormer should neatly fit over the window it's meant to frame. A common mistake is to undersize the windows or oversize the dormer, which necessitates the use of siding or other infill material with the structure treated as a gable end. Some architects use t… (More on Doghouse)