Equipped (9)
'equipped' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for armed that I've seen before include "ready for exchange?" , "unlike the Venus of Milo" , "Dream about carrying weapons" , "Given weapons" , "ready to fight" .)
'equipped' is the definition.
('outfit' can be a synonym of 'equip')
This is the entire clue.