\Co*ryph"o*don\ (k?-r?f"?-d?n), n. [Gr. koryfh` head,
peak + ????, ???, tooth.] (Palen.)
A genus of extinct mammals from the eocene tertiary of Europe
and America. Its species varied in size between the tapir and
rhinoceros, and were allied to those animals, but had short,
plantigrade, five-toed feet, like the elephant.