DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   dredge
       n 1: a power shovel to remove material from a channel or
            riverbed
       v 1: cover before cooking; "dredge the chicken in flour before
            frying it"
       2: search (as the bottom of a body of water) for something
          valuable or lost [syn: dredge, drag]
       3: remove with a power shovel, usually from a bottom of a body
          of water