WordReference Random House Unabridged Dictionary of American English © 2026
hi•ber•nac•u•lum
(hī′bər nak′yə ləm),USA pronunciation n., pl. -la (-lə).USA pronunciation
- Animal Behavior, Botanya protective case or covering, esp. for winter, as of an animal or a plant bud.
- Animal Behaviorwinter quarters, as of a hibernating animal.
- Latin hībernāculum winter residence, equivalent. to hībernā(re) (see hibernate) + -culum -cule2
- 1690–1700
'hibernaculum' also found in these entries (note: many are not synonyms or translations):