Dictionary entry

συνέδριον

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

συνέδριον, -ου, τό

(< σύν + ἕδρα, a seat) [in LXX: Pr 11:1315:22, Je 15:17 (סוֹד), Ps 25 (26):4 (מַת), Pr 22:10 (דִּין) 26:26 (קָהָל); Pr 24:727:2231:23, II Mac 14:5, IV Mac 17:17 *;]

1. a council (Plat., Xen., al.; LXX; in π., σ. τ. πρεσβυτέρων, Deiss., BS, 156): of a local Jewish tribunal, Mt 10:17, Mk 13:9.

2. The supreme ecclesiastical court of the Jews, the Sanhedrin (i.e. Talmudic סַנְהֵדְרִין = συνέδριον): Mt 5:2226:59, Mk 14:5515:1, Lk 22:66, Ac 5:21, 27, 34, 416:12, 1522:3023:1, 6, 15, 20, 28(WH, R, mg., om.)24:20 of a meeting of the Sanhedrin, Jo 11:47; of the place of meeting, Ac 4:15.†