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Allin

K9

nounattested in dialogue

  • United Kingdom//ˈkeɪnaɪn//
  • United States//ˈkeɪˌnaɪn//

A trained police dog.

noun

  1. 1

    A trained police dog.

    Police working dogs (K9s) often have extremely close bonds with their handlers.

    Originally a K9 dog for the police department, Captain was asked to resign for unknown reasons.

    Apollo, part of the New York Police Department K9 Search and Rescue team was on the scene of the disaster just 15 minutes after the disaster

    The Saitama Prefectural Police Department, for example, had no K9 units of its own, and relied on contract dogs exclusively.

Etymology

Pseudo-acronym of canine, by phonetic similarity of the letter and number names with the two syllables of canine.

Forms

plural
K9s
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).