Definitions by Rob Maverick Merrill

Peacemaker

A type of revolver that fires a .45 caliber bullet. Used largely in the American West, it is a favorite of outlaws, bandits, and John Wayne.
Its chamber holds 6 bullets.

Or It can mean someone who makes peace between two people fighting.

The peacemaker solved the conflict.

(This sentence can be used for either defination)

Peacemaker by Rob Maverick Merrill April 22, 2003