from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of gigantic American Jurassic dinosaurs, having large cavities in the bodies of the dorsal vertebr√¶.

from The Century Dictionary and Cyclopedia

  • n. A genus of colossal dinosaurian reptiles, from the Cretaceous formation Of Dakota.


Sorry, no etymologies found.


Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.