KEOS Meaning of KEOS in English /ke"aws/ ; Eng. /kee"os/ , n.a Greek island in the Aegean, off the SE coast of the Greek mainland. 1666; 56 sq. mi. (145 sq. km). Also called Kea, Zea . Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012