Fox squirrel Meaning, Definition & Usage

  1. noun exceptionally large arboreal squirrel of eastern United States
    Sciurus niger; eastern fox squirrel.

WordNet

Definitions
  1. (Zoöl.), a large North American squirrel (Sciurus niger, or S. cinereus). In the Southern States the black variety prevails; farther north the fulvous and gray variety, called the cat squirrel, is more common.

Webster 1913