pocket gopher

noun
1.
any of numerous burrowing rodents of the family Geomyidae, of western and southern North America and Central America, having large, external, fur-lined cheek pouches.
Also called gopher, pocket rat, pouched rat.
Origin
1870-75, Amer.
British Dictionary definitions for pocket gopher

pocket gopher

noun
1.
the full name for gopher (sense 1)