n 1  :  scabies of domestic animals  2  :  a hardened covering of dried secretions (as blood, plasma, or pus) that forms over a wound - called also crust  scab*by adj scab*bi*er  -est  
vi, scabbed  scab*bing  :  to become covered with a scab <the wound scabbed over>  .
 
 
 
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