HADROSAUR
hadrosaur, hadrosaurus, duck-billed dinosaur
(noun) any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
Source: WordNet® 3.1
Etymology
Noun
hadrosaur (plural hadrosaurs)
(paleontology) Any ornithopod dinosaur of the family Hadrosauridae.
Synonyms
• duckbill, duck-billed dinosaur, hadrosaurid
Hypernyms
• hadrosauroid
ornithopod
cerapod
ornithischian
dinosaur
sauropsid
chordate
animal
Hyponyms
• (types of hadrosaur)
hadrosaurine
lambeosaurine
Source: Wiktionary