Idiom About Retaliation

This page is the CodyCross answer for the clue below from All Things Water, Group 1291, Puzzle 4 (Roman Aqueducts).

Question is: Idiom About Retaliation

and the answer is: TITFORTAT

Word Meaning:

TIT FOR TAT — (idiomatic) Equivalent retribution; an act of returning exactly what one gets; an eye for an eye.

Definitions from Wiktionary.

Idiom About Retaliation - All Things Water CodyCross Answers | CodyCross Solutions