any of a family (Tragulidae) of very small, hornless ruminants of S Asia and W Africa, having a three-chambered stomach; mouse deer
See chevrotain in American Heritage Dictionary 4
(shĕvˈrə-tānˌ)
noun
Any of several small deerlike hornless ruminants of the genera Hyemoschus and Tragulus native to the tropical rain forests of central Africa, India, and southeast Asia. Also called mouse deer.