n, often attrib  1  :  interruption of normal physiological function of a tissue or organ <respiratory due to carbon monoxide>  : esp  :  HEART BLOCK  2 a  :  BLOCK ANESTHESIA  b  :  NERVE BLOCK 1  3  :  interruption of a train of thought by competing thoughts or psychological suppression
vt 1  :  to prevent normal functioning of (a bodily element) < a nerve with novocaine>   2  :  to obstruct the effect of <a carboxyl group ed by esterification>  vi  :  to experience or exhibit psychological blocking or blockage block*er n 
 
 
 
Similar sounding terms:  bow·leg  bulk 
 
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