Definition of brontosaurus in English:


(also brontosaur)


  • former term for apatosaurus
    • ‘In them are the bones of hundreds of dinosaurs, including skeletons of giant brontosaurs which were mired in soft mud.’
    • ‘He had a brain in him the size of a bloated brontosaurus, but unfortunately he had a temper to match.’
    • ‘It must have been a truly awesome sight to watch a herd of brontosaurs crossing a Mesozoic floodplain; evoking the same sense of awe, and puniness in one's own being in comparison, as one would feel when observing whales close up.’
    • ‘Many paleontologists argue that brontosaurs and other huge dinos really didn't lumber and weren't stupid.’
    • ‘A bunch of moss-munching brontosauruses standing together looking up in the sky, as a giant, earth-shattering meteor comes hurling down from the heavens.’


Modern Latin (former genus name), from Greek brontē thunder + sauros lizard.