adjective. in a condition of biological rest or suspended animation.
1. Noun, singular or mass Pour slowly so the hot water doesn't reach the hibernating fish at the bottom of the pond. 2. Verb, gerund or present participle It is most effective if done in late fall and prior to the first frost to prevent the ground squirrels from hibernating for the winter. 3. Adjective In addition, reheating their large bodies at the end of a hibernating period would take too much time and be costly in terms of the energy required.