越冬场所; 冬芽
Hibernaculum \Hi`ber*nac"u*lum\, 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. 2. (Zo["o]l.) A little case in which certain insects pass the winter. 3. Winter home or abiding place. --J. Burroughs.