tyrannosaurus rex

Cultural Dictionary
Tyrannosaurus rex [(ti-ran-uh-sawr-uhs reks)]

A large, carnivorous (see carnivore) dinosaur that walked on two legs. Its name is from the Greek words meaning “tyrant” and “lizard” and the Latin word for “king.”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet
tyrannosaurus rex

noun
large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America [syn: tyrannosaur
WordNet® 3.0, © 2006 by Princeton University.
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