Word Meaning

velum definition and meaning

n. Curtain or covering; -- applied to various membranous partitions, especially to the soft palate. See under Palate.
n. See Veil, n., 3 (b).
n. A thin membrane surrounding the sporocarps of quillworts Isoetes).
n. A veil-like organ or part.
n. The circular membrane that partially incloses the space beneath the umbrella of hydroid medusae.
n. A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.