1. the torpid or resting state in which some animals pass the winter

Definition categories: state, torpidity, torpor

2. cessation from or slowing of activity during the winter; especially slowing of metabolism in some animals

Definition categories: state, dormancy, quiescence, quiescency

3. the act of retiring into inactivity

- he emerged from his hibernation to make his first appearance in several years

Definition categories: act, retirement