Hypertext Webster Gateway: "volva"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Volva \Vol"va\, n. [L. volva, vulva, covering.] (Bot.)
A saclike envelope of certain fungi, which bursts open as the
plant develops.
From WordNet (r) 1.7 (wn)
volva
n : cuplike structure around the base of the stalk of certain
fungi
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