Polybius squares

A form of Polybius square — A character code represented by two sets of six lit torches, used to send messages character by character, in a two point visual fire telegraph. The character code is generated by encoding characters in a grid, where each character generates two numbers, uniquely representing each character as a pair of numbers.

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Meanings

noun
  1. pluralplural of Polybius square
Cite this entry
APA

Polybius squares. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Polybius%20squares

MLA

“Polybius squares.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Polybius%20squares. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Polybius squares,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Polybius%20squares.

Source: Polybius squares on Wiktionary, CC BY-SA 4.0.