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单词 eohippus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
e•o•hip•pus  (ē′ō hipəs),USA pronunciation n. 
  1. Paleontologythe 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. Also called dawn horse, hyracotherium. 
  • Neo-Latin, equivalent. to eo- eo- + Greek híppos horse
  • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
eohippus /ˌiːəʊˈhɪpəs/ n ( pl -puses)
  1. the earliest horse: an extinct Eocene dog-sized animal of the genus with four-toed forelegs, three-toed hindlegs, and teeth specialized for browsing
Etymology: 19th Century: New Latin, from eo- + Greek hippos horse
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