armed
1 adj Someone who is armed is carrying a weapon, usually a gun.
City police said the man was armed with a revolver.
2 adj An armed attack or conflict involves people fighting with guns or carrying weapons., (Antonym: unarmed)
They had been found guilty of armed robbery.
-armed
1 comb in adj -armed is used with adjectives to indicate what kind of arms someone has.
...plump-armed women in cotton dresses.
2 comb in adj -armed is used with adjectives such as `nuclear' and nouns such as `missile' to form adjectives that indicate what kind of weapons an army or person has.
...nuclear-armed navy vessels.
armed forces
The armed forces or the armed services of a country are its military forces, usually the army, navy, marines, and air force. n-plural
one-armed bandit (one-armed bandits plural )A one-armed bandit is the same as a fruit machine. n-count