Dictionary entry

μυριάς

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

μυριάς, -άδος, ἡ

(< μυρίος), [in LXX chiefly for רְבָבָה;]

ten thousand, a myriad: pl., Ac 19:19, Re 5:11 9:16; hyperb., of vast numbers, Lk 12:1, Ac 21:20, He 12:22, Ju 14.†