hadrosaurus
1. [ noun ] (zoology) any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
Synonyms: duck-billed_dinosaur hadrosaur
Related terms: ornithischian corythosaur anatotitan edmontosaurus trachodon Hadrosauridae
Similar spelling:   hadrosaur
  Hadrosauridae