\Cer`a*to*sau"rus\, n. [NL., fr. Gr. ke`ras a horn
+ ? lizard.] (Paleon.)
A carnivorous American Jurassic dinosaur allied to the
European Megalosaurus. The animal was nearly twenty feet in
length, and the skull bears a bony horn core on the united
nasal bones. See Illustration in Appendix.