Hadrosaur
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any ornithopod dinosaur of the family Hadrosauridae.
"Bipedal hadrosaurs, great hulking lambeosaurs, certain rhino-like ceratopsians and relatives of the velociraptors - all large and probably able swimmers - had the greatest success."
- 2 any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic wordnet
Example
More examples"Bipedal hadrosaurs, great hulking lambeosaurs, certain rhino-like ceratopsians and relatives of the velociraptors - all large and probably able swimmers - had the greatest success."
Etymology
Back-formation from Hadrosauridae, from the type genus Hadrosaurus, which in turn was derived from Ancient Greek ἁδρός (hadrós, “strong”) + σαῦρος (saûros, “lizard”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.