(1):
(n.) A gentleman who carries arms in a regiment, as a volunteer, with a view of acquiring military skill and obtaining a commission.
(2):
(n.) The younger of two brothers; a younger brother or son; the youngest son.
(3):
(n.) A young man in training for military or naval service; esp. a pupil in a military or naval school, as at West Point, Annapolis, or Woolwich.
(4):
(n.) In New Zealand, a young gentleman learning sheep farming at a station; also, any young man attached to a sheep station.
(5):
(n.) A young man who makes a business of ruining girls to put them in brothels.