hadrosaur
[ had-ruh-sawr ]
/ ˈhæd rəˌsɔr /
noun
a bipedal dinosaur of the genus Hadrosaurus, belonging to the ornithopod family Hadrosauridae of the late Cretaceous Period, having broad, flat jaws for scooping up water plants.
Also called
duck-billed dinosaur.
Origin of hadrosaur
OTHER WORDS FROM hadrosaur
had·ro·sau·ri·an, adjectiveWords nearby hadrosaur
hadrian iv,
hadrian v,
hadrian vi,
hadrian's wall,
hadron,
hadrosaur,
hadst,
hae,
haecceity,
haeckel,
haeckel's law
British Dictionary definitions for hadrosaur
hadrosaur
hadrosaurus (ˌhædrəˈsɔːrəs)
/ (ˈhædrəˌsɔː) /
noun
any one of a large group of bipedal Upper Cretaceous dinosaurs of the genus Anatosaurus, Maiasaura, Edmontosaurus, and related genera: partly aquatic, with a duck-billed skull and webbed feet
Also called: duck-billed dinosaur
Word Origin for hadrosaur
C19: from Greek
hadros thick, fat +
-saur
Scientific definitions for hadrosaur
hadrosaur
[ hăd′rə-sôr′ ]
Any of various medium-sized to large dinosaurs of the group Hadrosauroidea of the Cretaceous Period. Hadrosaurs had a duck-like bill and a mouth containing many series of rough grinding teeth for chewing tough plants. They walked on two legs or on all fours and had hoofed feet. Many hadrosaurs bore hollow crests on their skulls. They were the last and largest ornithopod dinosaurs. Also called duck-billed dinosaur