abdominal fin

US/æbˈdɑm.ə.nl̩ fɪn/US/əbˈdɑm.ə.nl̩ fɪn/

noun

One of the posterior paired fins of fishes; pelvic fin; ventral fin.

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Meanings

nounabdominal fin (plural abdominal fins)

plural abdominal fins

  1. biologyOne of the posterior paired fins of fishes; pelvic fin; ventral fin.

Synonyms & antonyms

Also see
pelvic fin
Cite this entry
APA

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

MLA

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

Chicago

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

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