Definitions for duck-billed dinosaurˈdʌkˌbɪld
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Random House Webster's College Dictionary
duck′-billed di′nosaurˈdʌkˌbɪld(n.)
Category: Paleontology
Ref: hadrosaur .
Princeton's WordNet
hadrosaur, hadrosaurus, duck-billed dinosaur(noun)
any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
Wiktionary
duck-billed dinosaur(Noun)
An informal name for ornithopod dinosaurs of the family Hadrosauridae derived from the similarity of the heads of certain members of that family to those of modern ducks.
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