G4892 συνέδριον (synédrion)

KJV renderings: council
Strong's definition: a joint session, i.e. (specially), the Jewish Sanhedrin; by analogy, a subordinate tribunal
Derivation: neuter of a presumed derivative of a compound of G4862 (σύν) and the base of G1476 (ἑδραῖος);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.