kangaroo rat

n.	1.	(Zool.) A jumping rodent of the genus Dipodomys of the family Heteromyidae, which lives in arid regions of Mexico and the western U. S.
	2.	(Zool.) An Australian mammal of the genus Notomys.
	3.	(Zool.) a small ratlike Australian kangaroo of the genus Potorous, also called the potoroo.

Noun	1.	kangaroo rat - any of various leaping rodents of desert regions of North America and Mexico; largest members of the family Heteromyidae Synonyms: desert rat, Dipodomys phillipsii
	2.	kangaroo rat - any of several rabbit-sized rat-like Australian kangaroos Synonyms: rat kangaroo

desert rat, Dipodomys, Dipodomys ordi, Dipodomys phillipsii, genus Dipodomys, Ord kangaroo rat, pocket rat