Tyrannosaur

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Also found in: Dictionary, Thesaurus.

tyrannosaurus

, tyrannosaur
any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Tyrannosaur

[tə′ran·ə‚sȯr]
(pateontology)
A large carnivorous therapod dinosaur 40 feet (12 meters) long and weighing 6 tons, from the Late Cretaceous Period that had powerful hindlimbs, short forelimbs, a large skull (4 feet long), and very powerful jaws.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.