'Mosasaurian' definitions:

Definition of 'Mosasaurian'

From: GCIDE
  • Mosasaur \Mos"a*saur\, Mosasaurian \Mos`a*sau"ri*an\, n. (Paleon.) One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria. [1913 Webster]