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)

by Rob Maverick Merrill April 23, 2003