Hibernaculum

‖n. [ See Hibernacle. ] 1. (Bot.) A winter bud, in which the rudimentary foliage or flower, as of most trees and shrubs in the temperate zone, is protected by closely overlapping scales. [ 1913 Webster ]

2. (Zool.) A little case in which certain insects pass the winter. [ 1913 Webster ]

3. Winter home or abiding place. J. Burroughs. [ 1913 Webster ]