What "ko" Means in Boxing

This page is the CodyCross answer for the clue below from Architectural Styles, Group 1163, Puzzle 4 (Sunken Room).

Question is: What "ko" Means in Boxing

and the answer is: KNOCKOUT

Word Meaning:

KNOCKOUT — The act of making one unconscious, or at least unable to come back on one's feet within a certain period of time; a TKO.

Definitions from Wiktionary.

What KO Means In Boxing - Architectural Styles CodyCross Answers | CodyCross Solutions