Tyrannosaurus rex

Thesaurus

Noun

1.

Tyrannosaurus rex - 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 Americatyrannosaur, tyrannosaurusbird-footed dinosaur, theropod, theropod dinosaur - any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legsgenus Tyrannosaurus - includes a single species

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