tyrannosaurus

Variant of tyrannosaur

tyrannosaur definition

☆ ty·ran·no·saur (tə ran′ə sôr′, ti-, tī-)

noun

any of a genus (Tyrannosaurus) of huge, two-footed, flesh-eating theropod dinosaurs of the Upper Cretaceous Period in North America and Asia
also tyrannosaurus ty·ran′no·sau′·rus (tī-)

Etymology: < ModL Tyrannosaurus < Gr tyrannos, tyrant + ModL -saurus, -saurus

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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