Webster's Revised Unabridged Dictionary · 1913

Hibernate

Hibernate , intransitive verb

[Latin hibernare, hibernatum, from hibernus wintry. See Hibernal.]

To winter; to pass the season of winter in close quarters, in a torpid or lethargic state, as certain mammals, reptiles, and insects.
Inclination would lead me to hibernate, during half the year, in this uncomfortable climate of Great Britain. — Southey