 
		
		Definition of slough:
		
								
				"1883 "That comed - as you call it - of being arrant asses," retorted the doctor, "and not having sense enough to know honest air from poison, and the dry land from a vile, pestiferous slough. — Treasure Island, Robert Louis Stevenson"
			
			
	
		
								
				"a week after he was burned, a layer of skin on his arm sloughed off."