You searched for: “hibernaculum
hibernaculum (s) (noun), hibernacula (pl)
1. The domicile, shelter, or place in which an animal stays in an inert or sleeping condition during the cold part of the year: The situation of a hedgehog, which is snug in its hibernaculum under layers of snow, should cause little concern for a naturalist.
2. A protective case, covering, or structure; such as, a plant bud, in which an organism remains dormant for the winter: Even plants have their forms of hibernacula that protect them during the months between October and March.
3. The winter den, or home, of sleeping animals or insects during this time: There are various hibernacula for creatures that have latent or sleeping periods; such as, bears, bats, and insects.
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