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Definition of Tyrannosaurus rex
1. 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.
Exact synonyms: Tyrannosaur, Tyrannosaurus
Generic synonyms: Bird-footed Dinosaur, Theropod, Theropod Dinosaur
Group relationships: Genus Tyrannosaurus
Generic synonyms: Bird-footed Dinosaur, Theropod, Theropod Dinosaur
Group relationships: Genus Tyrannosaurus
Lexicographical Neighbors of Tyrannosaurus Rex
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