Cadet

Part of speech: noun (n.)

1. The younger of two brothers; a younger brother or son; the youngest son. The cadet of an ancient and noble family. Wood.

2. A gentleman who carries arms in a regiment, as a volunteer, with a view of acquiring military skill and obtaining a commission.

3. 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.