What does armed mean?
The definition of armed
Armed, a.
1 Furnished with weapons of offense or defense; furnished with the means of security or protection. “And armed host.” Dryden.
2 Furnished with whatever serves to add strength, force, or efficiency. A distemper eminently armed from heaven. De Foe.
3 (Her.)
Having horns, beak, talons, etc; — said of beasts and birds of prey. Armed at all points (Blazoning), completely incased in armor, sometimes described as armed cap-à-pie. Cussans.

— Armed en flute. (Naut.) See under Flute.
— Armed magnet, a magnet provided with an armature.
— Armed neutrality. See under Neutrality.