Word Study
brontosaurus
CIDE DICTIONARY
brontosaurus, n. [NL., fr. Gr. bronth` thunder + say^ros lizard.].
A genus of large sauropod American dinosaurs of the jurassic era, or an individual of that genus. A length of sixty feet is believed to have been attained by these reptiles. The genus is also called Apatosaurus , and individuals of the genus are also called brontosaurs . [1913 Webster]
OXFORD DICTIONARY
brontosaurus, n. (also brontosaur) a large plant-eating dinosaur of the genus Brontosaurus, with a long whiplike tail and trunk-like legs.
Etymology
Gk bronte thunder + sauros lizard
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