- any herbivorous dinosaur of the suborder Sauropoda, from the Jurassic and Cretaceous periods, having a small head, long neck and tail, and five-toed limbs: the largest known land animal.
- belonging or pertaining to the sauropods.
- any herbivorous quadrupedal saurischian dinosaur of the suborder Sauropoda, of Jurassic and Cretaceous times, including the brontosaurus, diplodocus, and titanosaurs. They had small heads and long necks and tails and were partly amphibious
