# K-9 unit

> English word · Noun

## Definitions
1. A police dog or a police dog and its handler.

## Etymology
Humorous homophone of canine from an old vaudeville show.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/k-9-unit