hadrosaurus

2 definitions found

hadrosaurus - Collaborative International Dictionary of English v.0.48 :

  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]

hadrosaurus - WordNet (r) 2.1 (2005) :

  hadrosaurus
      n 1: any of numerous large bipedal ornithischian dinosaurs
           having a horny duck-like bill and webbed feet; may have
           been partly aquatic [syn: hadrosaur, hadrosaurus,
           duck-billed dinosaur]