Dictionary.com

anal fin

Save This Word!

noun
the median, unpaired fin on the ventral margin between the anus and the caudal fin in fishes.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use anal fin in a sentence

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
FEEDBACK