Anatomy. a membranous covering; velum.
Botany. the thick, spongy integument or epidermis covering the aerial roots of epiphytic orchids.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for velamen
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
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