Yes, pin is playable
					...and is worth 7 points.
			
	
		
		
		
	
	Found in the following dictionaries
	Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Pin" Definition
        noun
        	
	
	    	
		A peg for fixing the crown to the root of a tooth.
		
	 
	
	    	
	
	    	
		A short, straight, stiff piece of wire with a blunt head and a sharp point, used especially for fastening.
		
	 
	
	    	
		A slender, usually cylindrical piece of wood or metal for holding or fastening parts together, or serving as a support for suspending one thing from another, as:.
		
	 
	
			    adjective
        	
		Having a grain suggestive of the heads of pins. Used of leather.
		
	 
	
	    	
	
	    	
		Having a grain suggesting the heads of pins.
		
	 
	
			    phrasal-verb
        	
		Pin down  To fix or establish clearly:  was finally able to pin down the cause of the disease.
		
	 
	
	    	
		Pin down  To force (someone) to give firm opinions or precise information:  The reporter pinned the governor down on the issue of capital punishment.
		
	 
	
	    	
		Pin on  To attribute (a crime) to (someone):  The murder was pinned on the wrong suspect.
		
	 
	
			    verb-transitive
        	
		Sports   To win a fall from in wrestling.
		
	 
	
	    	
		To fasten or secure with or as if with a pin or pins.
		
	 
	
	    	
		To give (a woman) a fraternity pin in token of attachment.
		
	 
	
	    	
		To hold fast; immobilize:  The passenger was pinned under the wreckage of the truck.
		
	 
	
	    	
		To place in a position of trusting dependence:  He pinned his faith on an absurdity.
		
	 
	
			    verb
        	
		To fasten, join, or secure with a pin.
		
	 
	
	    	
		To hold fast or immobile.
		
	 
	
	    	
		To present (a young woman) with a fraternity pin as a pledge of affection.
		
	 
	
	    	
		To assign the blame or responsibility for .
		
	 
	
	    	
		To define or determine clearly or precisely .
		
	 
	
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