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.
sau·ro·pod (sôr'ə-pŏd') n. Any of various large semiaquatic saurischian dinosaurs of the suborder Sauropoda, of the Jurassic and Cretaceous periods. adj. Of or relating to the suborder Sauropoda.
[From New Latin Sauropoda, suborder name : Greek sauros, lizard + New Latin -poda, -pod.] sau·rop'o·dous (sô-rŏp'ə-dəs) adj.