DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   plumy
       adj 1: resembling a plume; "the dog's plumy tail" [syn:
              plumelike, plumy]
       2: having or covered with or abounding in plumes; "the plumed
          serpent"; "white-plumed egrets" [syn: plumed, plumy]
       3: adorned with feathers or plumes [syn: feathery,
          feathered, plumy]