Hibernation meaning: Definition of hibernation noun in Oxford

Definition of hibernation noun in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of HIBERNATE is to pass the winter in a torpid or resting state. How to use hibernate in a sentence. Hibernation definition: a state of winter dormancy in some animals, in which normal annual rhythms slow the heart, breathing, and metabolic rates to a minimum, and the animal sleeps deeply in protective quarters.. Hibernation is a state of inactivity during the winter to escape cold and food scarcity . In contrast, aestivation (or estivation) is a state of dormancy during the summer to survive extreme heat, drought, and lack of water.