Definition of "brontosaurus" [bron•to•sau•rus]

• One of the largest land animals to ever walk the earth; an apatosaurus. (noun)

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• "The name brontosaurus is not correct as the animal formerly called that turned out to be actually an apatosaurus with the head of a camarasaurus."
• "I grew up thinking the brontosaurus was a major player."
• "The sauropods include many of the best known prehistoric animals, such as diplodocus and apatosaurus – the dinosaur formerly known as brontosaurus."