Dictionary.net

true squirrels; ground squirrels; marmots; chipmunks; flying squirrels; spermophiles

true squirrels; ground squirrels; marmots; chipmunks; flying squirrels; spermophiles

A family of the order Rodentia which contains 49 genera. Some of the more common genera are MARMOTA, which includes the marmot and woodchuck; Sciurus, the gray squirrel, S. carolinensis, and the fox squirrel, S. niger; Tamias, the eastern and western chipmunk; and Tamiasciurus, the red squirrel. The flying squirrels, except the scaly-tailed Anomaluridae, also belong to this family.

(Zool.) The squirrel tribe, including flying S. and marmots.