saur·o·pod 
(sôrə-pŏd′)
(sôrə-pŏd′)n.
Any of various large herbivorous saurischian dinosaurs of the group Sauropoda, having a long neck and tail, a small head, and four columnar legs, and including argentinosaurus and brachiosaurus.
[From New Latin Sauropoda, group name : Greek sauros, lizard + New Latin -poda, -pod.]
sauro·pod′ adj.