Pa`le*o*the"ri*um (?), n. [NL., fr. Gr. ancient + beast.] Paleon.
An extinct genus of herbivorous Tertiary mammals, once supposed to have resembled the tapir in form, but now known to have had a more slender form, with a long neck like that of a llama.
[Written also Palaeotherium
© Webster 1913.