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dinosaur Definition

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dinosaur
noun(di-no-saur)
any of a group (Dinosauria) of extinct often very large chiefly terrestrial carnivorous or herbivorous reptiles of the Mesozoic era
dinosaur
noun(di-no-saur)
any of various large extinct reptiles (such as ichthyosaurs) other than the true dinosaurs
dinosaur
noun(di-no-saur)
one that is impractically large, out-of-date, or obsolete
dinosaur
geographical name(di-no-saur)
area containing rich fossil deposits in northwestern Colorado and northeastern Utah at the junction of the Green and Yampa rivers
dinosaur
noun(di-no-saur)
any of various herbivorous dinosaurs (family Hadrosauridae) of the Late Cretaceous having the jaw elongated into a snout that resembles a beak : hadrosaur

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