velamen

[ vuh-ley-min ]
/ vəˈleɪ mɪn /

noun, plural ve·lam·i·na [vuh-lam-uh-nuh]. /vəˈlæm ə nə/.

Anatomy. a membranous covering; velum.
Botany. the thick, spongy integument or epidermis covering the aerial roots of epiphytic orchids.

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Origin of velamen

1880–85; <Latin vēlāmen, equivalent to vēlā(re) to cover + -men noun suffix of result
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for velamen

velamen
/ (vəˈleɪmɛn) /

noun plural -lamina (-ˈlæmɪnə)

the thick layer of dead cells that covers the aerial roots of certain orchids and aroids and absorbs moisture from the surroundings
anatomy another word for velum

Word Origin for velamen

C19: from Latin: a veil, from vēlāre to cover
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

Medical definitions for velamen

velamen
[ və-lāmən ]

n. pl. ve•lam•i•na (-lămə-nə)

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