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volva

[vol-vuh]
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noun Mycology.
  1. the membranous envelope that encloses the base of various mushrooms formed when the velum ruptures.

Origin of volva

1745–55; < Latin: covering, akin to volvere to roll, wrap
Related formsvol·vate [vol-vit, -veyt] /ˈvɒl vɪt, -veɪt/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for volva

volva

noun plural -vae (-viː) or -vas
  1. botany a cup-shaped structure that sheathes the base of the stalk of certain mushrooms
Derived Formsvolvate (ˈvɒlvɪt, -veɪt), adjective

Word Origin

C18: from Latin: a covering, from volvere to wrap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

volva in Science

volva

[vŏlvə, vôl-]
  1. A cuplike structure around the base of the stalk of certain basidiomycete fungi.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.