mosasaur
Noun. An large extinct marine reptile, in the family Mosasauridae; the ancestor of modern snakes.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.