Definitions of velum
  1. noun
    a membranous covering attached to the immature fruiting body of certain mushrooms
    synonyms: veil
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    universal veil
    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
    partial veil
    membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap
    a cobwebby partial veil consisting of silky fibrils
    type of:
    plant part, plant structure
    any part of a plant or fungus
  2. noun
    a muscular flap that closes off the nasopharynx during swallowing or speaking
    synonyms: soft palate
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    type of:
    a movable piece of tissue partly connected to the body
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