1) It has a gable at both ends 
(from the article `roof`) covering of the top of a building, serving to protect against rain, snow, sunlight, wind, and extremes of temperature. Roofs have been constructed in ...
refers to almost any roof built at an angle, the pitch refers to the slope of the roof. 
A roof formed with one or more sloping surfaces. Each of these surfaces is a pitch, or skew. Related Words: Skew, skewput