Ground Squirrel Meaning

Example: Used other than as an idiom: see ground,‎ squirrel.
Any of a number of medium-sized squirrel-like borrowing rodents of the tribe Marmotini (i.e., excluding the smaller chipmunks and the larger marmots and prairie dogs).
1987, Peter Alden, Fiona Reid, Mammals, Peterson Field Guide Color-in Books, page 21,
  Many ground squirrels sit up and look like prairie dogs, but a ground squirrel can be recognized by its longer face and tall.
2003, University of California Agriculture and Natural Resources, Integrated Pest Management for Walnuts, UCANR Publication 3270, page 23,
  In some areas, ground squirrels may present a potential health problem because they carry ectoparasites that may transmit diseases such as bubonic plague to humans.
  The adult California ground squirrel has a head and body 9 to 11 inches (23-28 cm) long and a somewhat bushy tail that is about as long as the body.
2003, Lourdes Rugge, Carl G. Thelander, K. Shawn Smallwood, Bird Risk Behaviors and Fatalities at the Altamont Pass Wind Resource Area, page 23,
  Pocket gophers appear to be abundant in the APWRA on both sides of Altamont Pass Road, whereas ground squirrels appear to be abundant only on the north side.
Any of the squirrel-like borrowing rodents of the tribes Marmotini and Xerini.