duck-billed dinosaur

from WordNet (r) 3.0 (2006)
duck-billed dinosaur
    n 1: any of numerous large bipedal ornithischian dinosaurs
         having a horny duck-like bill and webbed feet; may have
         been partly aquatic [syn: {hadrosaur}, {hadrosaurus},
         {duck-billed dinosaur}]
    

[email protected]