Definition of cadres:
(n) :
A small group of people specially trained for a particular purpose or profession.
(n) :
(chiefly in communism) The core of a managing group, or a member of such a group.
(n) :
A frame or framework.
(n) :
(military) The framework or skeleton upon which a new regiment is to be formed; the officers of a regiment forming the staff.
(n) :
Synonym of RAII.