mosasaur
/ˈməʊsəsɔː(r)/noun
1- a large fossil marine reptile of the late Cretaceous period, with large toothed jaws, paddle-like limbs, and a long flattened tail, related to the monitor lizards沧龙。
1.1
- Family Mosasauridae, suborder Lacertilia: several genera, including Mosasaurus.沧龙科, 蜥蜴亚目：数属, 包括沧龙属。
词源
mid 19th cent.: from modern Latin Mosasaurus, from Latin Mosa, 'Meuse' (the river near which it was first discovered) + Greek sauros 'lizard'.