Hibernal(a.) Belonging or relating to winter; wintry; winterish.
Hibernate(v. i.) To winter; to pass the season of winter in close quarters, in a torpid or lethargic state, as certain mammals, reptiles, and insects.
Hibernated(imp. & p. p.) of Hibernate
Hibernating(p. pr. & vb. n.) of Hibernate
Hibernation(n.) The act or state of hibernating.

Words within hibernal