ventral fin

noun

A fin, usually paired, located ventrally below the pectoral fins of a fish.

Similar
pelvic fin
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Meanings

nounventral fin (plural ventral fins)

plural ventral fins

  1. biologyA fin, usually paired, located ventrally below the pectoral fins of a fish.

    Synonyms: pelvic fin

Synonyms & antonyms

nounA fin, usually paired, located ventrally below the pectoral fins of a fish.

Similar
pelvic fin

More synonyms by meaning

nouneither of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate

Similar
pelvic fin
Broader
fin
Also see
pelvic fin

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

ventral fin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ventral%20fin

MLA

“ventral fin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ventral%20fin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ventral fin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ventral%20fin.

Source: ventral fin on Wiktionary, CC BY-SA 4.0.