examples of roofs [4]
				   		Roof: the covering of a building that rests on the frame and protects it from inclement weather.
				
 
					
					
						conical broach roof 
						Conical roof usually surmounting a turret.
				  	
 
					
						hip-and-valley roof 
						Roof formed where two gable roofs cross.
				  	
 
					
						dome roof 
						Roof covering a large dome that sometimes rises above the rest of the roof.
				  	
 
					
						bell roof 
						Roof covering the hollow semicircular vault of a building (dome).