Wordnet 3.0
NOUN (1)
1. 
 a hip roof having two slopes on each side; 
[syn: mansard, mansard roof]
ADJECTIVE (1)
1.  (of a roof) having two slopes on all sides with the lower slope steeper than the upper; 
- Example: "the story formed by a mansard roof is usually called the garret"
WordNet (r) 3.0 (2006):
mansard
    adj 1: (of a roof) having two slopes on all sides with the lower
           slope steeper than the upper; "the story formed by a
           mansard roof is usually called the garret"
    n 1: a hip roof having two slopes on each side [syn: mansard,
         mansard roof]