forts Definition

fortress, garrison, fortify, fort up, fortifications, bunkers, strongholds, strengths, highlights, immunizations, castles, fortresses, palisade, blockhouse, garrisons, lighthouses, monuments, entrenchments, dockyards, teepees, birchbark canoe, battlement, caves, sandcastles, revetments, viceroys, mughals, battleships, antonine wall, cavalrymen, ramparts, pillboxes, gun emplacement, huts, cathedrals, regiments, snowmen, outposts, adobes, palaces, fort ticonderoga, treehouse, tepees, airfields, wigwam, colonial, bateaux, pyramids, obelisks, turrets, presidio, chessmen, cairns, battlefields, skirmishers, stockade, igloos, grottos, porticoes, ratlines, edifices, fort sumter, grenadiers, cannons, canals, outhouses, hessians, steamboats, crenellations, sentries, stelae, harappa, encampments, brigs, gaulish, ravines, birchbark, umayyad, kingdoms, postholes, barracks, hilltops, earthworks, kasbah, herodian, broch, hittites, skara brae, anthills, khans, empires, iroquoian, promontories, dominions, bluecoats, brickmaking, armies, rockeries, quarries, railroads,