any of a genus (Marmota) of thick-bodied, gnawing, burrowing squirrels with coarse fur and a short, bushy tail, as the woodchuck
See marmot in American Heritage Dictionary 4
(märˈmət)
noun
Any of various stocky, coarse-furred, burrowing rodents of the genus Marmota, having short legs and ears and short bushy tails and found throughout the Northern Hemisphere.