duck-billed dinosaur

Noun

1.

duck-billed dinosaur - any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic Synonyms: hadrosaur, hadrosaurus

anatotitan, corythosaur, corythosaurus, edmontosaurus, family Hadrosauridae, hadrosaur, Hadrosauridae, hadrosaurus, ornithischian, ornithischian dinosaur, trachodon, trachodont