Also boback, bobak. [Pol. bobak.] A burrowing-squirrel found in Poland and adjoining countries, called also Polish Marmot.
1774. Goldsm., Nat. Hist., II. 26. This animal [marmot] is found in Poland under the denomination of the boback.
1802. Bingley, Anim. Biog. (1813), I. 387. The burrows which the Bobacs form in the ground, are constructed obliquely.