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frenulum

[ fren-yuh-luhm ]
/ ˈfrɛn yə ləm /
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noun, plural fren·u·la [fren-yuh-luh]. /ˈfrɛn yə lə/.
Anatomy, Zoology. a small frenum.
Entomology. a strong spine or group of bristles on the hind wing of many butterflies and moths, projecting beneath the forewing and serving to hold the two wings together in flight.
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Also fraenulum.

Origin of frenulum

From New Latin, dating back to 1890–95; see origin at frenum, -ule

OTHER WORDS FROM frenulum

fren·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use frenulum in a sentence

British Dictionary definitions for frenulum

frenulum
/ (ˈfrɛnjʊləm) /

noun plural -la (-lə)
a strong bristle or group of bristles on the hind wing of some moths and other insects, by which the forewing and hind wing are united during flight
a small fraenum

Word Origin for frenulum

C18: New Latin, diminutive of Latin frēnum bridle
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 frenulum

frenulum
[ frĕnyə-ləm ]

n. pl. fren•u•la (-lə)
A small frenum or band of fibrous material.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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