- one of the herbivorous, hoofed mammals of the extinct order Notoungulata, best known from the Paleocene to the Pleistocene Epochs of South America.
- belonging or pertaining to the Notoungulata.
Origin of notoungulate
< New Latin Notoungulata. See notungulate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018