from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large American Miocene mammal, allied to the rhinoceros and (more closely) to the extinct Brontotherium.
from the GNU version of the Collaborative International Dictionary of English
- n. A large American Miocene mammal, allied to the rhinoceros, and more nearly to the extinct Brontotherium.
from The Century Dictionary and Cyclopedia
- n. A genus of gigantic perissodactyl mammals from the Miocene of North America.
- n. A member of this genus.
From Ancient Greek a Titan + beast (diminutive). (Wiktionary)