from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various agents that on dispersal, usually from grenades or projectiles, irritate the eyes and cause blinding tears.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
- v. To use tear gas.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
Sorry, no etymologies found.