Definition of bottom:
		
		
		(n) :
		
		the lowest part from the uppermost part, in either of these senses:; # The part furthest in the direction toward which an unsupported object would fall
		
			
	
		
			
	
		
		
		(adj) :
		
		the lowest or last place or position
		
								
				"those files should go on the bottom shelf."