frenum

or frae·num

[ free-nuhm ]
/ ˈfri nəm /

noun, plural fre·na [free-nuh]. /ˈfri nə/. Anatomy, Zoology.

a fold of membrane that checks or restrains the motion of a part, as the fold on the underside of the tongue.

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Origin of frenum

<New Latin; Latin frēnum bridle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for frenum

frenum
/ (ˈfriːnəm) /

noun plural -na (-nə)

a variant spelling (esp US) of fraenum
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 frenum

frenum
[ frēnəm ]

n. pl. fre•nums

A membranous fold of skin or mucous membrane that supports or restricts the movement of a part or organ, such as the small band of tissue connecting the tongue to the floor of the mouth.
An anatomical structure resembling such a fold.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.