hadrosaur

H4A1D2R1O1S1A1U1R1

noun

Any ornithopod dinosaur of the family Hadrosauridae.

RareScrabble 13

Meanings

nounhadrosaur (plural hadrosaurs)

plural hadrosaurs

  1. biologyAny 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.

    2018, Tim Flannery, Europe: A Natural History, page 31

    Synonyms: duckbill, duck-billed dinosaur, hadrosaurid

Synonyms & antonyms

nounAny ornithopod dinosaur of the family Hadrosauridae.

More synonyms by meaning

nounany of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic

Similar
Broader
ornithischianornithischian dinosaur

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekἁδρός“strong”
  2. Englishhadrosaur

Back-formation from Hadrosauridae, from the type genus Hadrosaurus, which in turn was derived from Ancient Greek ἁδρός (hadrós, “strong”) + σαῦρος (saûros, “lizard”).

Full word history & related roots →
Cite this entry
APA

hadrosaur. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hadrosaur

MLA

“hadrosaur.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hadrosaur. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hadrosaur,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hadrosaur.

Source: hadrosaur on Wiktionary, CC BY-SA 4.0.