brontosaurus definition

  • noun:
    • among the largest land creatures to ever walk the planet earth; an apatosaurus.
    • A genus of big sauropod American dinosaurs associated with the jurassic era, or an individual of that genus. A length of sixty legs is known to own been achieved by these reptiles. The genus is also known as Apatosaurus, and folks regarding the genus are known as brontosaurs.
    • A genus of huge fossil dinosaurian reptiles, significant due to their small head and diminutive brain-cavity, your whole head perhaps not exceeding a number of the neck-bones in dimensions. One species ended up being about 50 legs very long, and most likely weighed 20 tons or even more.
    • huge quadrupedal herbivorous dinosaur typical in North America in belated Jurassic

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