pocket rat - any of various rodents with cheek pouches

family Heteromyidae, Heteromyidae - small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats

Perognathus flavus, silky pocket mouse - small pale yellowish soft-furred rodent of southwestern United States and Mexico

Perognathus flavescens, plains pocket mouse - small rodent of open areas of United States plains states

hispid pocket mouse, Perognathus hispidus - large stiff-haired rodent of shortgrass prairies of United States

Liomys irroratus, Mexican pocket mouse - large pocket mouse of Mexico