hadrosaur

/ˌhædrəˈsɔər/

Other forms: hadrosaurs

Definitions of hadrosaur

1. noun

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

   types:

   anatotitan

   one of the largest and most famous duck-billed dinosaurs

   corythosaur, corythosaurus

   duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet

   edmontosaurus

   duck-billed dinosaur from Canada found as a fossilized mummy with skin

   trachodon, trachodont

   large duck-billed dinosaur of the Cretaceous period

   type of:

   ornithischian, ornithischian dinosaur

   herbivorous dinosaur with a pelvis like that of a bird