Definition of checks:
		
		
		(n) :
		
		(US) an order to a bank to pay money to a named person or entity; (US) a 
mark like a v or sometimes x used as an indicator. Equivalent of a (UK) tick; also, a 
checkmark: √
		
 
								
				"I was not carrying cash, so I wrote a check for the amount."
			
			
	
		
								
				"check the oil in your car once a month."