noun. a hip roof having two slopes on each side.
adjective. (of a roof) having two slopes on all sides with the lower slope steeper than the upper.
1. Adjective For first-story bay windows, especially on Victorian homes, the bottom edge of a mansard roof style may serve in place of an eave. 2. Noun, singular or mass The brick mansard Colonial home was built in 1885 in Haverstraw, a town once known as the brick-making capital of the world, by a prominent local family who owned a large brickyard.