ve·la·men (v ə-l ām ən)
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n. pl. ve·lam·i·na (-l ăm ə-n ə) 1. Anatomy A membranous covering or partition; velum. 2. Botany A spongy layer of dead cells that covers the aerial roots of most orchids and certain other plants and may serve to absorb atmospheric moisture.
[Latin vēlāmen, covering, from vēlāre, to cover, from vēlum, a covering.]
vel′a·mentous (vĕl′ə-mĕntəs) adj. |