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Definition of Brontosaur
1. Noun. Huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic.
Exact synonyms: Apatosaur, Apatosaurus, Apatosaurus Excelsus, Brontosaurus, Thunder Lizard
Generic synonyms: Sauropod, Sauropod Dinosaur
Group relationships: Genus Apatosaurus, Genus Brontosaurus
Generic synonyms: Sauropod, Sauropod Dinosaur
Group relationships: Genus Apatosaurus, Genus Brontosaurus
Definition of Brontosaur
1. [n -S]