Meanings
plural duck-billed dinosaurs
- informalAny ornithopod dinosaur of the family Hadrosauridae.
The scientists' report, published in Biological Reviews, found that while, largely, the dinosaurs were faring well at the time of the asteroid impact, the big plant-eating types, including the horned triceratops and duck-billed dinosaurs, had suffered a loss of biodiversity.
2014 July 28, Ian Sample, The Guardian
Synonyms & antonyms
nounany of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Derived from the similarity of the heads of certain members of the family to those of modern ducks.
Full word history & related roots →Cite this entry
duck-billed dinosaur. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/duck-billed%20dinosaur
“duck-billed dinosaur.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/duck-billed%20dinosaur. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “duck-billed dinosaur,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/duck-billed%20dinosaur.
Source: duck-billed dinosaur on Wiktionary, CC BY-SA 4.0.