Hibernaculum
Pronunciation : Hi`ber*nac"u*lum
Part of Speech : n.
Etymology : [See Hibernacle.]
Definition : 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. (Zo?l.)
Defn: A little case in which certain insects pass the winter.
3. Winter home or abiding place. J. Burroughs.
Source : Webster's Unabridged Dictionary, 1913