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Found one definition

1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   scab /skˈab/ <N>
   1. खुरण्ड
         "His wound was covered with the scab."
   2. पामा
         "She has a patch of scab on her arm."
   3. हड़ताल भेदी
         "Ram proved out to be a scab."