From The Collaborative International Dictionary of English v.0.44 [gcide]:
groundhog \ground"hog'\, ground hog \ground" hog'\ (ground"h[o^]g'), noun A reddish brown North American burrowing marmot ({Marmota monax}), also called the {woodchuck}. It hibernates in the winter.
Syn: woodchuck, {Marmota monax}. [WordNet 1.5]
From The Collaborative International Dictionary of English v.0.44 [gcide]:
marmot \mar"mot\ (m[aum]r"m[o^]t; 277), noun [It. marmotta, marmotto, prob. fr. L. mus montanus, or mus montis, lit., mountain mouse or rat. See {Mountain}, and {Mouse}.]
1. (Zo["o]l.) Any rodent of the genus {Marmota} (formerly {Arctomys}) of the subfamily Sciurinae. The common European marmot ({Marmota marmotta}) is about the size of a rabbit, and inhabits the higher regions of the Alps and Pyrenees. The {bobac} is another European species. The common American species ({Marmota monax}) is the {woodchuck} (also called {groundhog}), but the name marmot is usually used only for the western variety. [1913 Webster +PJC]
2. Any one of several species of ground squirrels or gophers of the genus {Spermophilus}; also, the prairie dog.
{Marmot squirrel} (Zo["o]l.), a ground squirrel or spermophile.
{Prairie marmot}. See {Prairie dog}.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
1. (Zo["o]l.) A common large North American marmot ({Arctomys monax}). It is usually reddish brown, more or less grizzled with gray. It makes extensive burrows, and is often injurious to growing crops. Called also {ground hog}.
2. (Zo["o]l.) The yaffle, or green woodpecker. [Prov. Eng.]
From WordNet (r) 2.0 [wn]:
noun
1: reddish brown North American marmot [syn: {groundhog}, {Marmota monax}]
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