Found 2 items, similar to Hadrosaurus.
English → English (WordNet) Definition: hadrosaurus hadrosaurus n : any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic [syn: hadrosaur, duck-billed dinosaur]
English → English (gcide) Definition: Hadrosaurus Hadrosaurus \Had`ro*sau"rus\ (h[a^]d`r[-o]*s[add]"r[u^]s), n. [NL., fr. Gr. "adro`s thick + say^ros lizard.] (Paleon.) An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation. [1913 Webster]