βασίλειος (rarely -εία), -ειον, royal, kingly, regal: 1 Peter 2:9. As a substantive, τὸβασίλειον (Xenophon, Cyril 2, 4, 3; Proverbs 18:19, Sept.; Josephus, Antiquities 6, 12, 4), and much more often (from Herodotus 1, 30 down) in plural τὰβασίλεια (Sept.Esther 1:9, etc.), the royal palace: Luke 7:25[A. V. kings courts].