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brachiosaur

[ brey-kee-uh-sawr, brak-ee- ]

noun

  1. a huge sauropod dinosaur of the genus Brachiosaurus, having a small head with nostrils on a knob above the eyes, long forelegs, and a sloping, massive body, and reaching a length of about 80 feet (24 meters).

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Word History and Origins

Origin of brachiosaur1

< New Latin Brachiosaurus (1903); brachio-, -saur; so named in allusion to the unusual length of the humerus relative to the femur

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