i Register
In some senses, cadet is marked as archaic, slang, US, historical. Watch for register when choosing this word.
noun
A student at a military school who is training to be an officer.
A younger or youngest son, who would not inherit as a firstborn son would.
Bertram is certainly well off for a cadet of even a Baronet's family. By the time he is four or five and twenty he will have seven hundred a year, and nothing to do for it.
Junior. (See also the heraldic term cadency.)
a cadet branch of the family
A young man who makes a business of ruining girls to put them in brothels.
A young gentleman learning sheep farming at a station; also, any young man attached to a sheep station.
name
A surname from French.