| 单词 |
Orohippus |
| 释义 |
‖ Orohippus|ɒrəʊˈhɪpəs| [mod.L., f. Gr. ὄρος mountain + ἵππος horse.] A genus of fossil quadrupeds found in the Eocene beds of North America, having four toes on the fore feet and three on the hind feet; held to be an ancestral form of the horse and its congeners. The animals were only about the size of a fox.
1877Dawson Orig. World x. 227 The earliest of them, the Orohippus, would require, on the theory, to have been preceded by a previous series. 1879Le Conte Elem. Geol. 504 First of all..appears..the Eohippus,..then..the Orohippus. |

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