duckbill
       adj : having a beak resembling that of a duck; "a duck-billed
             dinosaur" [syn: duck-billed]
       n 1: primitive fish of the Mississippi valley having a long
            paddle-shaped snout [syn: paddlefish, Polyodon
            spathula]
       2: small densely furred aquatic monotreme of Australia and
          Tasmania having a broad bill and tail and webbed feet;
          only species in the family Ornithorhynchidae [syn: platypus,
           duckbilled platypus, duck-billed platypus, Ornithorhynchus
          anatinus]