[mo.sa.saur] n [NL Mosasaurus, fr. L Mosa the river Meuse + Gk sauros lizard] (1841): any of a family (Mosasauridae) of very large extinct marine fish-eating lizards of the Upper Cretaceous with limbs modified into paddles that are related to the recent monitor lizards
MOSASAUR
Meaning of MOSASAUR in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012