harmonica bugs

A form of harmonica bug — An electronic eavesdropping device (bug) that attaches to a landline telephone and is activated or deactivated by a specific tone. When activated, it prevents the telephone from ringing but activates its microphone to transmit to another telephone at a remote location.

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Meanings

noun
  1. pluralplural of harmonica bug
Cite this entry
APA

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

MLA

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

Chicago

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

Source: harmonica bugs on Wiktionary, CC BY-SA 4.0.