Definition of grinding:
		
		
		(n) :
		
		the action of 
grinding or 
crushing into small 
particles; a form of dance in which the man and woman 
rub their bodies together
		
 
			
	
		
		
		(adj) :
		
		of or pertaining to the act or sound of grinding
		
								
				"the meeting came to a grinding halt when the two sides could not agree."