Definition of "titanosaur" []

• Any of various plant-eating, amphibious sauropod dinosaurs of the genus Titanosaurus, common during the Cretaceous Period especially in South America. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Argentinosaurus huinculensis, named in 1993, is a huge titanosaur from the Upper Cretaceous Río Limay Formation of Argentina: it was perhaps 30 m long."
• "Prehistoric snake gobbled-up dinosaur babies: A fossilized snake has been discovered inside a titanosaur nest in India, leading researchers to conclude that the snake fed on newly-hatched dinosaur babies, rather than their eggs like modern snakes."
• "Paralititan stromeri is another massive titanosaur, this time from the Upper Cretaceous of Egypt."