Dictionary entry

μεγιστάν

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

† μεγιστάν, -ᾶνος, ὁ

(< μέγιστος), [in LXX chiefly for שַׂר, Je 24:8, al.; רַבְרְבָן, Da LXX TH 5:23, al.; freq. in Sir (sing., Si 4:7);] usually pl., οἱ μ.,

the chief men, nobles (Manetho, FlJ, al.): Mk 6:21, Re 6:15 18:23.†