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Noun: Tyrannosaurus rex
  1. 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
    - tyrannosaur, tyrannosaurus

Type of: bird-footed dinosaur, theropod, theropod dinosaur

Part of: genus Tyrannosaurus

Encyclopedia: Tyrannosaurus rex