Hip*pa"ri*on (?), n. [NL., fr. Gr. a pony, dim. of a horse.] Paleon.

An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof on each side of the main central one. It is believed to be one of the ancestral genera of the Horse family.

 

© Webster 1913.

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