[ ee-oh-hip-uh s ]
/ ˌi oʊˈhɪp əs /


the earliest known horse, a member of the extinct genus Hyracotherium (Eohippus), from the early Eocene Epoch of the Northern Hemisphere; a terrier-sized herbivore having four hoofed toes on each forefoot and three on each hind foot, and low-crowned teeth.

Words nearby eohippus

Origin of eohippus

1875–80; < New Latin, equivalent to eo- eo- + Greek híppos horse
Also called dawn horse, hyracotherium, hyracothere.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for eohippus

/ (ˌiːəʊˈhɪpəs) /

noun plural -puses

the earliest horse: an extinct Eocene dog-sized animal of the genus with four-toed forelegs, three-toed hindlegs, and teeth specialized for browsing

Word Origin for eohippus

C19: New Latin, from eo- + Greek hippos horse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for eohippus

[ ē′ō-hĭpəs ]

See hyracotherium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.