1: a nucleus or core group especially of trained personnel able to assume control and to train othersbroadly: a group of people having some unifying relationship //a cadre of lawyers a cadre of technicians
2: a cell of indoctrinated leaders active in promoting the interests of a revolutionary party
3: a member of a cadre
4: frame, framework… the current specialisms and cadres of our university curricula …— H. M. McLuhan