Pocket gopher Meaning, Definition & Usage

  1. noun burrowing rodent of the family Geomyidae having large external cheek pouches; of Central America and southwestern North America
    pouched rat; gopher.

WordNet

Definitions
  1. (Zoöl.), any one of several species of American rodents of the genera Geomys, and Thomomys, family Geomydæ. They have large external cheek pouches, and are fossorial in their habits. they inhabit North America, from the Mississippi Valley west to the Pacific. Called also pouched gopher.

Webster 1913