The noun "arming" refers to the act of supplying oneself or others with armor and weapons in preparation for a conflict, as well as the act of providing means of defense and attack.

The act of supplying with the equipment, knowledge, authority, or other tools needed for a particular task.

The act of preparing a tool or a weapon for action; activation.

(nautical) A piece of tallow or soap put in the cavity and over the bottom of a sounding lead to pick up samples of the bottom of the sea.

(nautical, chiefly in the plural) One of the red dress cloths formerly hung fore and aft outside of a ship's upper works on holidays, or used as a visual screen during times of action.

present participle and gerund of arm