- any hoofed North American mammal of the extinct genus Dinoceras, of the Eocene Epoch, having a massive body and three pairs of horns.
Origin of uintathere
< New Latin Uintatherium (1872) a related genus, equivalent to Uinta Co., SW Wyoming, where fossils of the animal were found + Greek thēríon -there
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various extinct Tertiary rhinoceros-like mammals of North America, having six horny processes on the headAlso called: dinoceras
from Uinta, a county in Wyoming + Greek thērion wild animal