frenum

or frae·num

[ free-nuhm ]

/ ˈfri nəm /

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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. 2022

How to use frenum in a sentence

These cirripedes have no branchiae, the whole surface of the body and sack, including the small frena, serving for respiration.
On the Origin of Species|Charles Darwin
These cirripedes have no branchi, the whole surface of the body and sack, including the small frena, serving for respiration.
On the Origin of Species by Means of Natural Selection|Charles Darwin
Hoe omnino devitamus, quia nefas est ut oblatis a parentibus Deo filiis voluptatis frena relaxentur.
A Short History of Women's Rights|Eugene A. Hecker
Take the case of John Frena, who occupies a place of no particular distinction in the fifth year of the Gary schools.
The New Education|Scott Nearing

About the center (Fig. 17) is Rome, which bears the inscription, "Roma caput mundi tenet orbis frena rotundi."
The Thirteenth|James J. Walsh

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

[ frē′nəm ]

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.