Definition of blind:
		
		
		(n) :
		
		a 
covering for a 
window to keep out light.  The covering may be made of cloth or of narrow slats that can block light or allow it to pass; any device intended to 
conceal or 
hide; as, a duck blind
		
 
			
	
		
								
				"the lovers were blind to each other's faults."
			
			
	
		
								
				"the light was so bright that for a moment he was blinded."