hadrosaur
/ˈhædrəsɔː(r)/noun
1- a large herbivorous mainly bipedal dinosaur of the late Cretaceous period, with jaws flattened like the bill of a duck鸭嘴龙。亦称DUCK-BILLED DINOSAUR.
1.1
- Family Hadrosauridae, infraorder Ornithopoda, order Ornithischia.鸭嘴龙科, 鸟脚下目, 鸟臀目。
词源
late 19th cent.: from modern Latin Hadrosaurus (genus name)， from Greek hadros 'thick， stout' + sauros 'lizard'.