Dictionary
ti•tan•o•there
Pronunciation: (tī-tan'u-thēr", tīt'n-u-), [key]—
n.
any member of the extinct mammalian family Brontotheriidae, large, horned relatives of the horse common in North America and Eurasia from the Eocene to the Oligocene epochs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.