Judge-Advocate General Meaning, Definition & Usage

in the United States, the title of two officers, one attached to the War Department and having the rank of brigadier general, the other attached to the Navy Department and having the rank of colonel of marines or captain in the navy. The first is chief of the Bureau of Military Justice of the army, the other performs a similar duty for the navy. In England, the designation of a member of the ministry who is the legal adviser of the secretary of state for war, and supreme judge of the proceedings of courts-martial.