(n.) A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). orohippus. Retrieved September 22, 2026, from http://smartdefine.org/orohippus/definitions/2039513 |
| Chicago | Webster's. 2011. "orohippus" http://smartdefine.org/orohippus/definitions/2039513 (accessed September 22, 2026). |
| Harvard | Webster's 2011, orohippus, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/orohippus/definitions/2039513>. |
| MLA | Webster's. "orohippus" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/orohippus/definitions/2039513> |