hadrosaurus
Had`ro*sau"rus, n. Etym: [NL., fr. Gr. "adro`s thick + say^ros lizard.] (Paleon.) Defn: An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.
Had`ro*sau"rus, n. Etym: [NL., fr. Gr. "adro`s thick + say^ros lizard.] (Paleon.) Defn: An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.