decoder ring

noun

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.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noundecoder ring (plural decoder rings)

plural decoder rings

  1. 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.
Cite this entry
APA

decoder ring. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/decoder%20ring

MLA

“decoder ring.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/decoder%20ring. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “decoder ring,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/decoder%20ring.

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