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velamen definition

ve·la·men (və lā′mən)

noun pl. velamina -·lam′i·na (-lam′ə nə)

  1. Anat. a membrane or velum
  2. Bot. the corky outer layer of the aerial roots of certain orchids

Etymology: L, a covering < velare, to cover: for IE base see veil

Related Forms:

  • velamentous vel′a·men′·tous (vel′ə men′təs) adjective

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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