decoder rings

A form of decoder ring — A device consisting of two concentric rings of letters of the alphabet, one of which can be rotated, so as to encode and decode messages according to a simple substitution cipher.

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Meanings

noun
  1. pluralplural of decoder ring
Cite this entry
APA

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

MLA

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

Chicago

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

Source: decoder rings on Wiktionary, CC BY-SA 4.0.