a large squirrel, Sciurus niger, occurring in E North America
fox squirrel in American English
US
a variously colored tree squirrel (Sciurus niger) of E North America
fox squirrel in American English
noun
any of several North American arboreal squirrels varying in color and of an exceptionally large size
Word origin
[1675–85, Amer.]This word is first recorded in the period 1675–85. Other words that entered Englishat around the same time include: explorer, mouthpiece, retouch, surf, upstream