from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One who is armed with a gun, especially an outlaw.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. In the Old West: a person who carried a gun and was an expert at the quick draw.
- n. In modern usage: a person who behaves with the bravado expected of someone who would duel with guns.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a professional killer who uses a gun
gun + slinger (Wiktionary)