DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Dorn \Dorn\, n. [Cf. G. dorn thorn, D. doorn, and G. dornfisch
      stickleback.] (Zool.)
      A British ray; the thornback.
      [1913 Webster] Dornick