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Definition of Duck-billed dinosaur
1. Noun. Any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic.
Exact synonyms: Hadrosaur, Hadrosaurus
Generic synonyms: Ornithischian, Ornithischian Dinosaur
Group relationships: Family Hadrosauridae, Hadrosauridae
Specialized synonyms: Anatotitan, Corythosaur, Corythosaurus, Edmontosaurus, Trachodon, Trachodont
Generic synonyms: Ornithischian, Ornithischian Dinosaur
Group relationships: Family Hadrosauridae, Hadrosauridae
Specialized synonyms: Anatotitan, Corythosaur, Corythosaurus, Edmontosaurus, Trachodon, Trachodont