Which Greek word means 'citadel' or 'highest city'?
Acropolis Acropolis An acropolis (Ancient Greek: ἀκρόπολις, "akropolis"; from "akros" (άκρος) or "akron" (άκρον), "highest, topmost, outermost" and "polis" (πόλις), "city"; plural in English: "acropoles", "acropoleis" or "acropolises") was in ancient Greece a settlement, especially a citadel, built upon an area of elevated ground—frequently a hill with precipitous sides, chosen for purposes of defense. Acropoleis became the nuclei of large cities of classical antiquity, such as ancient Athens, and for this reason they are sometimes prominent landmarks in modern cities with ancient pasts, such as modern Athens. The word "acropolis" literally means in Greek "upper city," and though associated primarily with
Citadel of a tank as 'the tower'. The safe room on a ship is also called a citadel. Citadel A citadel is the core fortified area of a town or city. It may be a castle, fortress, or fortified center. The term is a diminutive of "city" and thus means "little city", so called because it is a smaller part of the city of which it is the defensive core. Ancient Sparta had a citadel as did many other Greek cities and towns. In a fortification with bastions, the citadel is the strongest part of the system, sometimes well inside the