1) Common barn roof 2) French word used in English 3) Gable roof 4) Gambrel roof 5) Saddle roof 6) Saddleback 7) Saddleback roof 1) Roof 
A gambrel or gambrel roof is a usually symmetrical two-sided roof with two slopes on each side. The upper slope is positioned at a shallow angle, while the lower slope is steep. This design provides the advantages of a sloped roof while maximizing headroom inside the building`s upper level and shortening what would otherwise be a tall roof. The n....
a symmetrical two-sided roof with two slopes on each side
crooked stick used by butchers for hanging carcasseshorse's hockroof having a pentagonal gable
restraint device.
• (n.) The hind leg of a horse. • (v. t.) To truss or hang up by means of a gambrel. • (n.) A stick crooked like a horse`s hind leg; -- used by butchers in suspending slaughtered animals.
(from the article `roof`) ...It was commonly used in Italy and elsewhere in southern Europe and is now a very common form in American houses. Gable and hip roofs can also be ...
a ridged roof finishing at each end on a small vertical gable below which the roof slopes to meet the gable wall. The shape is often described as resembling a horses hind leg 
Gam'brel noun [ Old French gambe , jambe leg, French jambe . Confer Cambrel , Chambrel , and see Gambol . noun ] 1. The hind leg of a horse. 2. A stick crooked like a horse's hind leg; - - used by butchers in suspend...Gam'brel transitive verb To truss or hang up by means of a gambrel. Beau. & Fl. 
A gambrel is a frame of wood or metal shaped like a horse's hind leg, used by butchers for suspending carcasses of meat.
[adj] - (of a roof) having two slopes each side of the ridge 2. [n] - a gable roof with two slopes on each side and the lower slope being steeper
gambrel roof noun a gable roof with two slopes on each side and the lower slope being steeper
A roof having two slopes on each side, the lower slope usually steeper than the upper one.