retinaculum
Americannoun
plural
retinacula-
Anatomy, Zoology. any of various small structures that hook, clasp, or bind other structures to move them or hold them in place.
-
Entomology. a bristle on the butterfly forewing that clasps to the frenulum of the hindwing.
noun
-
connection or retention or something that connects or retains
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zoology a small hook that joins the forewing and hind wing of a moth during flight
Other Word Forms
- retinacular adjective
Etymology
Origin of retinaculum
1815–25; < New Latin; Latin retināculum tether, rope which holds fast or restrains, equivalent to retin ( ēre ) to hold fast, retain + -ā- (from v. stems ending in -ā-; gubernaculum ) + -culum -cule 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The second doctor Watts consulted confirmed a tear in her medial patellar retinaculum.
From Washington Post
The surgery, an extensor retinaculum repair, was performed by Dr. Bruce Toby at the University of Kansas Hospital on Tuesday.
From Washington Times
Loop: applied to that structure at base of innerside of primaries into which the frenulum of male moths is fitted: see retinaculum.
From Project Gutenberg
Base of wings of Synemon, to show the bristle and retinaculum in the female. n.
From Project Gutenberg
The retinaculum is not correctly represented in this figure, it arises from the anterior side of the sub-costal nervure.
From Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.