pocket mouse


noun

any of numerous burrowing rodents, especially of the genus Perognathus, chiefly inhabiting arid regions of the southwestern U.S. and northern Mexico, having fur-lined cheek pouches and a long tail.

Origin of pocket mouse

An Americanism dating back to 1880–85

British Dictionary definitions for pocket mouse

pocket mouse

noun

any small mouselike rodent with cheek pouches, of the genus Perognathus, of desert regions of W North America: family Heteromyidae