DuckCorp Dico

Found one definition

1.                 From en.wikipedia.org:
                   
   
   
                   
                     
   CANKER-WORM may refer to following inchworms:
   
    - _Alsophila pometaria_ , the fall cankerworm
    - _Paleacrita vernata_ , the spring cankerworm
   [disambiguation] Category:Animal common name disambiguation pages