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frenulum

[fren-yuh-luh m] /ˈfrɛn yə ləm/
noun, plural frenula
[fren-yuh-luh] /ˈfrɛn yə lə/ (Show IPA)
1.
Anatomy, Zoology. a small frenum.
2.
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.
Also, fraenulum.
Origin
1890-1895
1890-95; < Neo-Latin; see frenum, -ule
Related forms
frenular, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for frenulum

frenulum

/ˈfrɛnjʊləm/
noun (pl) -la (-lə)
1.
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
2.
a small fraenum
Word Origin
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
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frenulum in Medicine

frenulum fren·u·lum (frěn'yə-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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