English · Word Candidate

ko

/ˈkəʊ/

Proposed by a contributor, not yet supported by evidence.

Also seen as: KOs · KO's · KOing · KO'ing

Sense 1

Meaning · English

A local shape to which the ko rule applies; a ko shape.

Noun

Black gets an easy game by just filling the ko.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

ko fight

Noun

Black wins the ko easily.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

To knock someone out; to render someone unconscious.

Verb

Joe KO'd the opposing boxer.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Meaning · English

To start play.

Verb

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

What does “ko” mean?

A local shape to which the ko rule applies; a ko shape.

Is “ko” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.