A student at a military school who is training to be an officer.
Junior. (See also the heraldic term cadency.)
A younger or youngest son, who would not inherit as a firstborn son would.
A young gentleman learning sheep farming at a station; also, any young man attached to a sheep station.
A participant in a cadetship.
The lowest rank of a commissioned army officer, below a lieutenant.
The lowest rank of a commissioned officer in the United States Army, United States Air Force, or United States Marine Corps, below a first lieutenant. The rank of second lieutenant is equivalent to the naval rank of ensign.