a student in a national service academy or private military school or on a training ship.

a student in training for service as a commissioned officer in the U.S. Army, Air Force, or Coast Guard. Compare midshipman ( def. 1 ) .

a trainee in a business or profession.

a younger son or brother.

the youngest son.

(formerly) a gentleman, usually a younger son, who entered the army to prepare for a subsequent commission.

Also called cadet blue. a grayish to strong blue color.

Also called cadet gray. a bluish-gray to purplish-blue color.

Slang . a pimp.

noun

junior , midshipman , plebe , recruit , student , youth