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velum    
n. 盖膜,软口盖,菌膜,膜,缘膜

盖膜,软口盖,菌膜,膜,缘膜

velum
n 1: a membranous covering attached to the immature fruiting
body of certain mushrooms [synonym: {veil}, {velum}]
2: a muscular flap that closes off the nasopharynx during
swallowing or speaking [synonym: {soft palate}, {velum}]

Veil \Veil\ (v[=a]l), n. [OE. veile, OF. veile, F. voile, L.
velum a sail, covering, curtain, veil, probably fr. vehere to
bear, carry, and thus originally, that which bears the ship
on. See {Vehicle}, and cf. {Reveal}.] [Written also {vail}.]
[1913 Webster]
1. Something hung up, or spread out, to intercept the view,
and hide an object; a cover; a curtain; esp., a screen,
usually of gauze, crape, or similar diaphnous material, to
hide or protect the face.
[1913 Webster]

The veil of the temple was rent in twain. --Matt.
xxvii. 51.
[1913 Webster]

She, as a veil down to the slender waist,
Her unadorn['e]d golden tresses wore. --Milton.
[1913 Webster]

2. A cover; a disguise; a mask; a pretense.
[1913 Webster]

[I will] pluck the borrowed veil of modesty from the
so seeming Mistress Page. --Shak.
[1913 Webster]

3. (Bot.)
(a) The calyptra of mosses.
(b) A membrane connecting the margin of the pileus of a
mushroom with the stalk; -- called also {velum}.
[1913 Webster]

4. (Eccl.) A covering for a person or thing; as, a nun's
veil; a paten veil; an altar veil.
[1913 Webster]

5. (Zool.) Same as {Velum}, 3.
[1913 Webster]

{To take the veil} (Eccl.), to receive or be covered with, a
veil, as a nun, in token of retirement from the world; to
become a nun.
[1913 Webster]


Velum \Ve"lum\, n.; pl. {Vela}. [L., an awning, a veil. See
{Veil}.]
[1913 Webster]
1. (Anat.) A curtain or covering; -- applied to various
membranous partitions, especially to the soft palate. See
under {Palate}.
[1913 Webster]

2. (Bot.)
(a) See {Veil}, n., 3
(b) .
(b) A thin membrane surrounding the sporocarps of
quillworts {Isoetes}).
[1913 Webster]

3. (Zool.) A veil-like organ or part. Especially:
(a) The circular membrane that partially incloses the
space beneath the umbrella of hydroid medusae.
(b) A delicate funnel-like membrane around the flagellum
of certain Infusoria. See Illust. a of {Protozoa}.
[1913 Webster]


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