1. sleep during winter

- Bears must eat a lot of food before they hibernate in their caves

Definition categories: body, kip, sleep, slumber

2. be in an inactive or dormant state

Definition categories: social, rest

Sentences with hibernate as a verb:

- Your computer hibernates after it has been idle for the specified amount of time. — Microsoft Corp, Use Hibernate and Standby to Conserve Batteries (2001)