(n) :
		
		the 
weatherproofed shielding put around objects which 
protrude from the 
roof of a 
building, such as 
pipes, 
chimneys, or the edges of other roofs to deflect 
water away from the 
seams; the process of getting rid of gaps on shelves by bringing products from the back of the shelf to the front to create a 'fuller' shelf