frenums

Variant of frenum

noun pl. frenums or frena

a fold of skin or mucous membrane that checks or controls the movement of an organ or part, as the fold under the tongue

Origin: L, lit., a bridle < IE base *dher-, to hold > firm

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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