mesopterygium

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noun

The middle one of the three main basal plates in the fins of certain fishes.

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Meanings

nounmesopterygium (plural mesopterygia)

plural mesopterygia

  1. anatomyThe middle one of the three main basal plates in the fins of certain fishes.

Origin

Ancient Greek meso- middle + a fin.

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Cite this entry
APA

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

MLA

“mesopterygium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesopterygium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mesopterygium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mesopterygium.

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