I have a tattoo, i wish to find the meaning
武安 Wu'an is a city 
武安君 was a title of a noble in Tang Dynasty -  張守節: 舊注史記三大家之一 (one of the three great historians of old Chinese history)


武安 means 以武安邦

以- with; use

武 - military; force

安 - maintain peace; keep safe; steady

邦 - nation

(steady the nation with military might or keep the nation safe with military power)