K9

//ˈkeɪnaɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A trained police dog.

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

Example

More examples

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

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.