Used by Military or Police, Makes Your Eyes Water

This page is the CodyCross answer for the clue below from Fauna and Flora, Group 176, Puzzle 2 (Kingdom Plantae).

Question is: Used by Military or Police, Makes Your Eyes Water

and the answer is: TEARGAS

Word Meaning:

TEAR GAS — Any lachrymatory, non-lethal chemical compound that causes the eyes to sting and water and/or irritates the respiratory system, mostly used for controlling crowds during riots or as self-defense.

Definitions from Wiktionary.