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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
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use pelvic fin in a sentence
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
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