[ soo-per-sawr ]
/ ˈsu pərˌsɔr /


a huge sauropod dinosaur of the genus Supersaurus, of W North America, that reached a length of about 130 feet (40 meters).

Origin of supersaur

From New Latin, dating back to 1985–90; see origin at super-, -saur Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019