hadrosaur
any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic • Syn: hadrosaurus, duck-billed dinosaur • Hypernyms: ornithischian, ornithischian dinosaur • Hyponyms: anatotitan, corythosaur, corythosaurus, edmontosaurus, trachodon, trachodont • Member Holonyms: Hadrosauridae, family Hadrosauridae
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