Hadrosaur meaning

hădrə-sôr
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Any of a family (Hadrosauridae) of large, duck-billed ornithopod dinosaurs of the Cretaceous Period.
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Any of various medium-sized to large dinosaurs of the group Hadrosauroidea of the Cretaceous Period. Hadrosaurs had a duck-like bill and a mouth containing many series of rough grinding teeth for chewing tough plants. They walked on two legs or on all fours and had hoofed feet. Many hadrosaurs bore hollow crests on their skulls. They were the last and largest ornithopod dinosaurs.
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(paleontology) Any ornithopod dinosaur of the family Hadrosauridae.
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Origin of hadrosaur

  • From New Latin Hadrosaurus genus name hadrosaurus

    From American Heritage Dictionary of the English Language, 5th Edition

  • Back-formation from Hadrosauridae, from the type genus Hadrosaurus, which in turn was derived from Ancient Greek ἁδρός (hadros, “strong”) + σάυρα (saura, “lizard”).

    From Wiktionary