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Noun: tyrannosaur  ti'ra-nu,sor
  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
    - tyrannosaurus, Tyrannosaurus rex

Derived forms: tyrannosaurs

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

Part of: genus Tyrannosaurus

Encyclopedia: Tyrannosaur