Battery
in law, the unlawful beating of another, or even the touching him with hostile intent. It is legitimate for a parent or a master to give moderate correction to his child, his scholar, or his apprentice.
In military usage, a certain number of artillerymen united under the command of a field officer, and the lowest tactical unit in the artillery. In a battery there are gunners who work the guns, and drivers who drive the horses by which these guns are transported from place to place.