subs. (old cant).1. A CADGER (q.v.); a beggar mountain-guide. [GESENIUS: prob. Heb. AARON is a derivative of Hāron = a mountaineer.]
2. (thieves).The leader of a gang: always with THE as a prefix.
3. (old).a leader of the church.
1607. E. TOPSELL, Four-footed Beasts, Ep. Dedic. AARONS and such as sit at the Helme of the Church I mean both Bishops and Doctors.