To cause to flow off without penetrating; as, a tight roof, or covering of oiled cloth, sheeds water.
A shed is actually a half gable. One slopping plane is supported by walls. This usually comes off the back side or out of another roof. Shed roofs are also used over some porches.
A roof type with one high pitched plane covering the entire structure.
Single storey pitched roof building normally used for industrial or warehouse.