nothosaurPronunciation: /ˈnəʊtəsɔː, ˈnəʊθ-/Definition of nothosaur noun a semiaquatic fossil carnivorous reptile of the Triassic period, having a slender body and long neck, related to the plesiosaurs. Infraorder Nothosauria, superorder Sauropterygia Origin: 1930s: from modern Latin Nothosauria, from Greek nothos 'false' + sauros 'lizard'nothosaur in other Oxford dictionaries Definition of nothosaur in the US English dictionary
