A gambrel roof.

plural of curb roof

A sloping roof with a singular surface. / A short roof appended to the side of a building, particularly a barn. / (automotive) A penta engine, also known as a pent-roof combustion chamber.

A rack attached to the top of a car or other vehicle, used to hold luggage or similar items.

A common roof, having two slopes and one ridge, with eaves on both sides.

A modified form of mansard roof having a nearly flat deck for the upper slope.

(UK) A tax based on house prices, proposed as an alternative to the poll tax in the 1990s.

plural of roofing bone

A reflective optical prism containing a section where two faces meet at a 90° angle, resembling the roof of a building. Reflection from the two 90° faces returns an image that is flipped laterally across the axis where the faces meet.

plural of roof prism