DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   caterpillar
       n 1: a wormlike and often brightly colored and hairy or spiny
            larva of a butterfly or moth
       2: a large tracked vehicle that is propelled by two endless
          metal belts; frequently used for moving earth in construction
          and farm work [syn: Caterpillar, cat]