Definition of "chevrotin"

To this vve may add the Chevrotin, or little Guinea Deer, vvhich is the leaſt of all cloven-footed quadrupeds, and perhaps the moſt beautiful; its legs, at the ſmalleſt part, are not much thicker than the ſhank of a tobacco-pipe; it is about ſeven inches high, and about tvvelve from the point of the noſe to the inſertion of the tail.

1791, Oliver Goldsmith, “Of Animals of the Sheep and Goat Kind”, in An History of the Earth, and Animated Nature. […], new edition, volume III, London: […] F[rancis] Wingrave, successor to Mr. [John] Nourse, […], page 76