hadrosaurus

(redirected from Ornithotarsus)
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had·ro·saur·us

 (hăd′rə-sôr′əs)
n.
A hadrosaurid dinosaur of the genus Hadrosaurus, having a bulky body and no crest on the head. A hadrosaurus fossil found in New Jersey (1858) was the first nearly complete dinosaur skeleton excavated in the United States. Also called hadrosaur.

[New Latin Hadrosaurus, genus name : Greek hadros, thick; see hadron + sauros, lizard.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hadrosaurus - any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feethadrosaurus - any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
ornithischian, ornithischian dinosaur - herbivorous dinosaur with a pelvis like that of a bird
family Hadrosauridae, Hadrosauridae - duck-billed dinosaurs; upper Cretaceous
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