Synonyms to postern gate

abatis, advanced work, balistraria, bank, banquette, barbed-wire entanglement, barbican, barricade, barrier, bartizan, bastion, battlement, breastwork, bulwark, casemate, cheval-de-frise, circumvallation, contravallation, counterscarp, curtain, demibastion, dike, drawbridge, earthwork, enclosure, entanglement, escarp, escarpment, fence, fieldwork, fortalice, fortification, glacis, loophole, lunette, machicolation, mantelet, merlon, mound, outwork, palisade, parados, parapet, portcullis, rampart, ravelin, redan, redoubt, sally port, scarp, sconce, stockade, tenaille, vallation, vallum, work, Bank of England, Bank of France, Federal Reserve bank, Fort Knox, Indian file, Indian reservation, International Monetary Fund, Lombard Street bank, Swiss bank, World Bank, abutment, align, anthill, arc-boutant, arch dam, archives, arm, armor, armor-plate, armory, array, arsenal, articulation, ascend, attic, backstop, bamboo curtain, bank up, bar, barrage, basement, battle, battlem