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[vee-luh m] /ˈvi ləm/
noun, plural vela
[vee-luh] /ˈvi lə/ (Show IPA),
for 1, 2, velum for 3.
Biology. any of various veillike or curtainlike membranous partitions.
Anatomy. the soft palate.
See under palate (def 1).
Meteorology. a thin cloud, large in horizontal area, that is draped over or penetrated by cumuliform clouds.
Origin of velum
First recorded in 1765-75, velum is from the Latin word vēlum sail, covering Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for velum


noun (pl) -la (-lə)
(zoology) any of various membranous structures, such as the ciliated oral membrane of certain mollusc larvae or the veil-like membrane running around the rim of a jellyfish
(anatomy) any of various veil-like bodily structures, esp the soft palate
(botany) another word for veil (sense 6)
Word Origin
C18: from Latin: veil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for velum

1771, from Latin velum "a sail, awning, curtain, covering" (see veil (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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velum in Medicine

velum ve·lum (vē'ləm)
n. pl. ve·la (-lə)

  1. An anatomical structure resembling a veil or curtain. Also called veil, velamen.

  2. See greater omentum.

  3. A serous membrane or membranous envelope or covering.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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