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velum

[vee-luh m]
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noun, plural ve·la [vee-luh] /ˈvi lə/, for 1, 2, ve·lum for 3.
  1. Biology. any of various veillike or curtainlike membranous partitions.
  2. Anatomy. the soft palate.See under palate(def 1).
  3. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for velum

velum

noun plural -la (-lə)
  1. 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
  2. anatomy any of various veil-like bodily structures, esp the soft palate
  3. botany another word for veil (def. 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

Word Origin and History for velum

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper

velum in Medicine

velum

(vēləm)
n. pl. ve•la (-lə)
  1. An anatomical structure resembling a veil or curtain.veil velamen
  2. greater omentum
  3. A serous membrane or membranous envelope or covering.