trifid cipher

noun

A classical cipher that extends the earlier bifid cipher with the use of trigrams.

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Meanings

noun
  1. computingA classical cipher that extends the earlier bifid cipher with the use of trigrams.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: trifid cipher on Wiktionary, CC BY-SA 4.0.