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Meaning of tyrannosaur

ty•ran•no•saur

Pronunciation: (ti-ran'u-sôr", tī-), [key]
— n.
  1. a large, carnivorous dinosaur, Tyrannosaurus rex, from the Late Cretaceous Epoch of North America, that walked erect on its hind feet. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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