anal fin

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noun

the median, unpaired fin on the ventral margin between the anus and the caudal fin in fishes.

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Words nearby anal fin

analemma, analeptic, analeptic enema, anal erotic, anal-expulsive, anal fin, anal fissure, anal fistula, analgesia, analgesia algera, analgesia dolorosa

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use anal fin in a sentence

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
He carried with him the insecurities, foibles, and morose visions of fin de siècle Europe.
How Sherlock Holmes Took on the Capitalists|Ian Klaus|December 21, 2011|DAILY BEAST
“Beside me the young Brit was snoring softly now, his glasses askew on his fin-shaped nose,” Obama wrote.
America's New Frenemy|Lloyd Grove|July 19, 2010|DAILY BEAST

They looked up from their cucumber sandwiches and saw, 25 yards off, an enormous fin slicing the water.
Remembering the Man Who Brought Jaws—and Me—to the Shelves|Christopher Buckley|December 23, 2008|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
They're like whisky, gran' at the time, but you sing sorry next day, an' fin' oot what a fool you hae been.
The Underworld|James C. Welsh
Then spake the Earl to that man whose name 118 some say was Fin, but as others have it was of Finnish kith and kin.
The Sagas of Olaf Tryggvason and of Harald The Tyrant (Harald Haardraade)|Snorri Sturluson

British Dictionary definitions for anal fin

anal fin

noun

a median ventral unpaired fin, situated between the anus and the tail fin in fishes, that helps to maintain stable equilibrium

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