Bear's digs refer to the home of a bear, which is typically a cave or DEN. The term can be used to describe both the literal and figurative home of a bear. In crosswords, the two most common answers for this term are 'LAIR' and 'DEN, ' both of which are four and three letter words respectively. A LAIR is a large, often hidden, dwelling place, while a DEN is a small, cozy shelter. Both terms are used to describe the home of a bear.