Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Spoken of counsellors who sat in public trials with the governor of a province (Acts 25:12).
The Jewish councils were the Sanhedrim, or supreme council of the nation, which had subordinate to it smaller tribunals (the "judgment," perhaps, in Mt. 5:21, 22) in the cities of Palestine (Mt. 10:17; Mk. 13:9). In the time of Christ the functions of the Sanhedrim were limited (Jn. 16:2; 2 Cor. 11:24). In Ps. 68:27 the word "council" means simply a company of persons. (R.V. marg., "company.")
In ecclesiastical history the word is used to denote an assembly of pastors or bishops for the discussion and regulation of church affairs. The first of these councils was that of the apostles and elders at Jerusalem, of which we have a detailed account in Acts 15.