simple past and past participle of arm

(sometimes in combination) Equipped, especially with a weapon.

(of a weapon) Prepared for use; loaded.

(obsolete) Furnished with whatever serves to add strength, force, or efficiency.

(botany) Having prickles or thorns.

(chiefly in combination) Having an arm or arms, often of a specified number or type.

(of a creature) Possessing arms of a specified number or type.

(heraldry, of animals) Having horns, claws, teeth, a beak, etc. in a particular tincture, as contrasted with that of the animal as a whole.