pelvic fin

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noun

(in fishes) either of a pair of fins on the lower surface of the body, corresponding to the hind limbs of a land vertebrate; ventral fin.

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Origin of pelvic fin

First recorded in 1905–10

Words nearby pelvic fin

Peltier heat, pelting, Pelton wheel, peltry, pelvic, pelvic fin, pelvic floor, pelvic-floor exercises, pelvic girdle, pelvic inflammatory disease, pelvimetry

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pelvic fin in a sentence

A tutu clad Swift refuses to pirouette with her fellow ballerinas, preferring to pelvic thrust like a rebel instead.
Taylor Swift’s ‘Shake It Off’ Is Disappointing|Kevin Fallon|August 19, 2014|DAILY BEAST
I was in pain everywhere, my pelvic area was in excruciating pain.
Is Sex Assault a Crime in the Ivy League?|Olivia Nuzzi|May 10, 2014|DAILY BEAST
When tests were carried out on a pelvic bone, the startling scale of the discovery began to emerge.
Scientists Find Remains of Alfred The Great Or King Edward The Elder|Nico Hines|January 17, 2014|DAILY BEAST
It has silvery blue skin and a red dorsal fin that runs the length of its body.
Fishy Mystery: Are Beached Oarfish Trying to Tell Us Something?|Kevin Bailey|October 23, 2013|DAILY BEAST

“The annoying thing about life is that it screws up the production,” Fin muses.
This Week’s Hot Reads: Jan. 7, 2013|Mythili Rao|January 7, 2013|DAILY BEAST
Mais on peut bien appeller vn voyage heureux, quand en fin on arrive bon port.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
En fin il parvint Dieppe, & apres quelque sejour il se mit en mer le 26.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Bref ilz remboursent lesditz Marchs de chac deux milles livres, 176 & se mettent en fin la voile le 26.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
This is not the case in the higher forms, and in the highest apes the pelvic bones approach those of man.
Man And His Ancestor|Charles Morris
Symptoms should not be mistaken for causes, but pelvic diseases at least aggravate a tendency toward mental unbalance.
Essays In Pastoral Medicine|Austin Malley

British Dictionary definitions for pelvic fin

pelvic fin

noun

either of a pair of fins attached to the pelvic girdle of fishes that help to control the direction of movement during locomotion

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