- a fold of membrane that checks or restrains the motion of a part, as the fold on the underside of the tongue.
Origin of frenum
< New Latin; Latin frēnum bridle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a fold of membrane or skin, such as the fold beneath the tongue, that supports an organ
Word Origin for fraenum
C18: from Latin: bridle
- 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
- 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.