| NOUN | animal | duck-billed dinosaur, hadrosaur, hadrosaurus | any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet |
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| Meaning | Any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic. | |
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| Synonyms | hadrosaur, hadrosaurus | |
| Member of | Hadrosauridae, family Hadrosauridae | duck-billed dinosaurs |
| Narrower | anatotitan | One of the largest and most famous duck-billed dinosaurs |
| corythosaur, corythosaurus | duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet | |
| edmontosaurus | duck-billed dinosaur from Canada found as a fossilized mummy with skin | |
| trachodon, trachodont | large duck-billed dinosaur of the Cretaceous period | |
| Broader | ornithischian, ornithischian dinosaur | herbivorous dinosaur with a pelvis like that of a bird |
| Spanish | hadrosaurus | |
| Catalan | hadrosaure, hadrosaurus | |
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