1. a gunslinger or armed outlaw, especially in the American West or Latin America
Usage: informal; often historical or literary

Examples

• The old pistolero rode into town looking for trouble.
• In the Western film, the hero faced off against a notorious pistolero.
• The legend of the pistolero spread throughout the frontier.
• He fancied himself a pistolero, though he had never fired a gun in anger.
• The museum exhibit featured artifacts from the era of famous pistoleros.