backfin

B3A1C3K5F4I1N1

noun

The rear fin of a fish.

“The tail and backfin of an ide can be greyish.”

Scrabble 18
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Meanings

nounbackfin (plural backfins)

plural backfins

  1. The rear fin of a fish.

    The tail and backfin of an ide can be greyish.

Origin

From back + fin.

Full word history & related roots →

Rhymes & wordplay

Anagrams

finback
Cite this entry
APA

backfin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/backfin

MLA

“backfin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/backfin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “backfin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/backfin.

Source: backfin on Wiktionary, CC BY-SA 4.0.