Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
An adviser (Pr. 11:14, 15:22), a king's state counsellor (2 Sam. 15:12). Used once of the Messiah (Isa. 9:6). In Mk. 15:43, Lk. 23:50, the word probably means a member of the Jewish Sanhedrim.