hibernaculum

Hi`ber*nac"u*lum, n. Etym: [See Hibernacle.] 1. (Bot.) Defn: 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. (Zoöl.) Defn: A little case in which certain insects pass the winter. 3. Winter home or abiding place. J. Burroughs.

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