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pen register

noun

Definitions

  1. A device (originally fitted with a pen, but now purely electronic) that records all…

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

The neighborhood

Vish — recursive loop

No curated loop yet for pen register. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA