spinosaurus


spi·no·saur·us

S5701075 (spī′nō-sôr′əs)n. A very large carnivorous theropod dinosaur of the genus Spinosaurus of the Cretaceous Period, characterized by a long narrow snout and long spines on the back that may have formed a sail-like structure.
[New Latin Spīnosaurus, genus name : Latin spīna, thorn + Greek sauros, lizard.]