Marmot \Mar"mot\, n. [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 Arctomys. The common European marmot (A. 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 (A. monax) is the woodchuck.

Source: Webster's Revised Unabridged Dictionary (1913)