An·chi·the·ri·um
| \ ˌaŋkəˈthirēəm \
Definition of Anchitherium
: a genus of extinct Miocene and Pliocene perissodactyl mammals related to the modern horse from which they differ in dentition and especially in the limbs, having a complete ulna and fibula and three functional toes of which the middle one is much the largest
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Merriam-Webster unabridged
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Time Traveler for Anchitherium
The first known use of Anchitherium was in 1847
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