Wordnet 3.0
NOUN (1)
1.
membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth;
represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap;
WordNet (r) 3.0 (2006):
universal veil
n 1: membrane initially completely investing the young
sporophore of various mushrooms that is ruptured by growth;
represented in the mature mushroom by a volva around lower
part of stem and scales on upper surface of the cap