Mansard
/ˈmænsɑːrd/
Definition 1 of 1
Pro Tip 1/3Architectural Term
Used mainly in architecture or real estate contexts to describe a certain roof style. 
When browsing house listings, you’ll recognize a mansard by its unique sloped design.
Pro Tip 2/3Historic Reference
Mansard roofs originated in France and carry a classic, European aesthetic. 
The mansion's mansard roof gave it a distinctly French, historic look.
Pro Tip 3/3Not Just Roofs
Although typically describing roofs, 'mansard' can also refer to windows matching the roof style. 
Besides its roof, the building featured decorative mansard windows.