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Definition of Corythosaur
1. Noun. Duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet.
Exact synonyms: Corythosaurus
Generic synonyms: Duck-billed Dinosaur, Hadrosaur, Hadrosaurus
Group relationships: Genus Corythosaurus
Generic synonyms: Duck-billed Dinosaur, Hadrosaur, Hadrosaurus
Group relationships: Genus Corythosaurus
Lexicographical Neighbors of Corythosaur
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