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.
A. (Architecture) – Base of a column. B. (Miliitary) Base. C. (Chem) Acidic base. D. Basis foundation.
Target mark, shooting range.
military camp or bivouac: a semi-permanent facility for the lodging of an army. Camps are erected when a military force travels away from a major installation or fort during training or operations, and often have the form of large campsites.
Collachio, Residential quarters of the Knights of St. John.
commandery (rarely commandry): the smallest administrative division of the European landed properties of a military order. It was also the name of the house where the knights of the commandery lived. The word is also applied to the emoluments granted to a commander. They were the equivalent for those orders to a monastic grange. The knight in charge of a commandery was a commander.