# SIGINT

> English word · Noun · IPA /ˈsɪɡ.ɪnt/ · frequency rank #72,763

## Definitions
1. Abbreviation of signals intelligence.
2. An Earth-orbiting satellite used to intercept signals.
3. A signal sent to a process by its controlling terminal when a user wishes to interrupt the process.

## Etymology
Blend of signal + intelligence.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sigint