Phrase guide

duck-billed dinosaur

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any ornithopod dinosaur of the family Hadrosauridae.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hadrosaur, hadrosaurus

Antonyms: none provided

Broader terms: ornithischian, ornithischian dinosaur

Narrower terms: anatotitan, corythosaur, corythosaurus, edmontosaurus, trachodon, trachodont

History

Etymology

Derived from the similarity of the heads of certain members of the family to those of modern ducks.