From The Collaborative International Dictionary of English v.0.48 [gcide]:
Cadet \Ca*det"\, n. [F. cadet a younger or the youngest son or
brother, dim. fr. L. caput head; i. e., a smaller head of the
family, after the first or eldest. See Chief, and cf.
Cad.]
[1913 Webster]
1. The younger of two brothers; a younger brother or son; the
youngest son.
[1913 Webster]
The cadet of an ancient and noble family. --Wood.
[1913 Webster]
2. (Mil.)
(a) A gentleman who carries arms in a regiment, as a
volunteer, with a view of acquiring military skill and
obtaining a commission.
(b) 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.
[1913 Webster]
Note: All the undergraduates at Annapolis are Naval cadets.
The distinction between Cadet midshipmen and Cadet
engineers was abolished by Act of Congress in 1882.
[1913 Webster]
3. In New Zealand, a young gentleman learning sheep farming
at a station; also, any young man attached to a sheep
station.
[Webster 1913 Suppl.]
4. A young man who makes a business of ruining girls to put
them in brothels. [Slang, U. S.]
[Webster 1913 Suppl.]
From WordNet (r) 3.0 (2006) [wn]:
cadet
n 1: a military trainee (as at a military academy) [syn:
cadet, plebe]
From The Free On-line Dictionary of Computing (8 July 2008) [foldoc]:
CADET
Computer Aided Design Experimental Translator.
[Sammet 1969, p. 683].
(1994-11-29)