pen registers

A form of pen register — A device (originally fitted with a pen, but now purely electronic) that records all numbers called from a particular telephone line.

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Meanings

noun
  1. pluralplural of pen register
Cite this entry
APA

pen registers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pen%20registers

MLA

“pen registers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pen%20registers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pen registers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pen%20registers.

Source: pen registers on Wiktionary, CC BY-SA 4.0.