duck-billed dinosaur

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet;
may have been partly aquatic
• Syn:
hadrosaur, hadrosaurus
• Hypernyms:
ornithischian, ornithischian dinosaur
• Hyponyms:
anatotitan, corythosaur, corythosaurus, edmontosaurus, trachodon, trachodont
• Member Holonyms:
Hadrosauridae, family Hadrosauridae