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Related to frena: adequacy, slue


A plural of frenum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
Pedunculated cirripedes have two minute folds of skin, called by me the ovigerous frena, which serve, through the means of a sticky secretion, to retain the eggs until they are hatched within the sack.
The combination of both "Somewhere Over a Barrel" (parodying the lovely "Over the Rainbow" she sang earlier in the evening) and the operatic "If Miss Pons Can Sing Cadenzas" (a comedic version of "Chi mi frena in tal momento" from Donizetti's Lucia di Lammermoor) showcased Vik's impressive repertoire of vocal skills.