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[hahy-ber-nak-yuh-luh m] /ˌhaɪ bərˈnæk yə ləm/
noun, plural hibernacula
[hahy-ber-nak-yuh-luh] /ˌhaɪ bərˈnæk yə lə/ (Show IPA)
a protective case or covering, especially for winter, as of an animal or a plant bud.
winter quarters, as of a hibernating animal.
Also, hibernacle
[hahy-ber-nak-uh l] /ˈhaɪ bərˌnæk əl/ (Show IPA)
Origin of hibernaculum
1690-1700; < Latin hībernāculum winter residence, equivalent to hībernā(re) (see hibernate) + -culum -cule2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for hibernaculum


noun (rare) (pl) -ula (-jʊlə), -les
the winter quarters of a hibernating animal
the protective case or covering of a plant bud or animal
Word Origin
C17: from Latin: winter residence; see hibernate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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hibernaculum in Science
  1. A protective case, covering, or structure, such as a plant bud, in which an organism remains dormant for the winter.

  2. The shelter of a hibernating animal.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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