apatosaur definition

  • noun:
    • a rather huge herbivorous dinosaur associated with the genus Apatosaurus (previously Brontosaurus) associated with the belated Jurassic duration, having a long neck and tail and a relatively tiny head.
    • a sizable, herbivorous, gregarious sauropod dinosaur, associated with the genus Apatosaurus, from Jurassic North America; it had a long neck and end.
    • huge quadrupedal herbivorous dinosaur common in North America in belated Jurassic

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