hadrosaurus

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.

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[New Latin Hadrosaurus, genus name : Greek hadros, thick; see hadron + sauros, lizard.]

Thesaurus

Noun

1.

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