Extended Strong's Greek Lexicon (Abbott-Smith based)
council of elders
Usage: πρεσβυτέριον, -ου, τό (πρεσβύτερος) [in LXX: Da TH Su 1:50 A * ;] a body of elders, presbytery: of the Sanhedrin (cf. συνέδριον), Luk.22:66, Act.22:5; of Christian presbyters, 1Ti.4:14.† (AS)