\Di*noc"e*ras\, n. [NL., fr. Gr. ? terrible + ?, ?,
horn.] (Paleon.)
A genus of large extinct Eocene mammals from Wyoming; --
called also {Uintatherium}. See Illustration in Appendix.
Note: They were herbivorous, and remarkable for three pairs
      of hornlike protuberances on the skull. The males were
      armed with a pair of powerful canine tusks.