WordWeb Online

1. The act of equipping with weapons in preparation for war
   - armament

1. Prepare oneself for a military confrontation
   "troops are arming on the Iraqi border";
   - build up, fortify, gird
    
2. Supply with arms
   "The U.S. armed the freedom fighters in Afghanistan"

Derived forms: armings

Type of: furnish, militarisation [Brit], militarization, mobilisation [Brit], mobilization, offer, provide, render, supply

Antonym: disarming

Encyclopedia: Arm, Alice