DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   scab
       n 1: someone who works (or provides workers) during a strike
            [syn: scab, strikebreaker, blackleg, rat]
       2: the crustlike surface of a healing skin lesion
       v 1: form a scab; "the wounds will eventually scab"
       2: take the place of work of someone on strike [syn: fink,
          scab, rat, blackleg]