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Noun: allosaurus  ,a-lu'so-rus
  1. Late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
    - allosaur

Derived forms: allosauruses

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

Part of: genus Allosaurus, genus Antrodemus

Encyclopedia: Allosaurus