meaning of cadet
1. The younger of two brothers; a younger brother or son; the youngest son.
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.
4. CADET Computer Aided Design Experimental Translator. [Sammet 1969, p. 683].
5. a military trainee as at a military academy