[ˌkeɪˈəʊ], (Noun)

Definitions:
- a knockout
(e.g: a sixth-round kayo)


Phrases:

Origin:
1920s: representing the pronunciation of KO

[ˌkeɪˈəʊ], (Verb)

Definitions:
- knock (someone) out
(e.g: he was kayoed by Patterson in the sixth round)


Phrases:

Origin:
1920s: representing the pronunciation of KO