velum Meaning, Definition & Usage
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noun a membranous covering attached to the immature fruiting body of certain mushrooms
veil.
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noun a muscular flap that closes off the nasopharynx during swallowing or speaking
soft palate.
WordNet
Ve"lum noun
Etymology
L., an awning, a veil. SeeWordforms
Definitions
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(Anat.) Curtain or covering; -- applied to various membranous partitions, especially to the soft palate. See under Palate . -
(Bot.) (a) See Veil , n., 3(b) A thin membrane surrounding the sporocarps of quillworts Isoetes ). -
(Zoöl.) A veil-like organ or part. Especially:(a) The circular membrane that partially incloses the space beneath the umbrella of hydroid medusæ. (b) A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa .