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velum

 - 4 dictionary results

ve⋅lum

[vee-luhm]
–noun, plural -la [-luh] , for 1, 2, -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:
1765–75; < L vēlum sail, covering
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ve·lum   (vē'ləm)   
n.   pl. ve·la (-lə)
  1. Biology A covering or partition of thin membranous tissue, such as the veil of a mushroom or a membrane of the brain.

  2. Anatomy The soft palate.

  3. Zoology A ciliated swimming organ that develops in certain larval stages of most marine gastropod mollusks.


[Latin vēlum, veil.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ve·lum
Pronunciation: 'vE-l&m
Function: noun
Inflected Form: plural ve·la /-l&/
: a membraneor membranous part resembling a veil or curtain: as a : SOFT PALATE b : SEMILUNAR CUSP
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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