21-gons

A form of 21-gon — Synonym of icosihenagon: A polygon with twenty-one edges and twenty-one angles.

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Meanings

noun
  1. pluralplural of 21-gon
Cite this entry
APA

21-gons. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/21-gons

MLA

“21-gons.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/21-gons. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “21-gons,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/21-gons.

Source: 21-gons on Wiktionary, CC BY-SA 4.0.