meaning of velum
1. Curtain or covering; -- applied to various membranous partitions, especially to the soft palate. See under Palate.
2. See Veil, n. , 3 (b).
3. A thin membrane surrounding the sporocarps of quillworts Isoetes).
4. A veil-like organ or part.
5. The circular membrane that partially incloses the space beneath the umbrella of hydroid medusae.
6. A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.
7. a muscular flap that closes off the nasopharynx during swallowing or speaking
Related Words
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