Definition of Hadrosaurus in English:

Hadrosaurus

Pronunciation /hadrəˈsɔːrəs/

noun

  • A genus of duck-billed dinosaurs of the family Hadrosauridae, distinguished by an absence of the crest that is a characteristic of most hadrosaurids; (also hadrosaurus) a dinosaur of this genus.

Origin

Mid 19th century. From scientific Latin Hadrosaurus, genus name.