Definition of Armed

Adjective: armed aa(r)md

(used of persons or the military) characterized by having or bearing arms
"armed robbery"
Having arms (or one arm) as specified; used especially in combination
"the many-armed goddess Shiva"
(used of plants and animals) furnished with bristles and thorns

Verb: arm aa(r)m

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