Webster's Revised Unabridged Dictionary · 1913

Dipodomys

Dipodomys , noun

An Australian rodent of the genus Notomys is also referred to as a kangaroo rat, as is the potoroo. See kangaroo rat

a genus of rodents of the family Heteromyidae, comprising the genus of kangaroo rats which live in arid regions of Mexico and the western U. S.