Boxing Match That Ends When One Can't Get Up
This page is the CodyCross answer for the clue below from All Things Water, Group 1289, Puzzle 5 (Filtration).
Question is: Boxing Match That Ends When One Can't Get Up
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.