/ kɔː(r); NAmE / noun ( pl. corps / kɔːz; NAmE kɔːrz/) [ C +sing./pl. v . ]
1.
a large unit of an army, consisting of two or more divisions :
the commander of the third army corps
2.
one of the groups of an army with a special responsibility :
the Royal Army Medical Corps
3.
a group of people involved in a particular job or activity :
a corps of trained and experienced doctors
—see also diplomatic corps , press corps
••
WORD ORIGIN
late 16th cent.: from French , from Latin corpus body.