Synonyms and related words :
abatis, abutment, advanced work, arc-boutant, arch dam, backstop, balistraria, bamboo curtain, bank, banquette, bar, barbed-wire entanglement, barbican, barrage, barricade, barrier, bartizan, bastion, battlement, beam, bear-trap dam, beaver dam, boom, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, buttress, buttress pier, buttressing, casemate, cheval-de-frise, circumvallation, cofferdam, contravallation, counterscarp, curtain, dam, defence, defense, demibastion, dike, ditch, drawbridge, earthwork, embankment, enclosure, entanglement, escarp, escarpment, fence, fieldwork, flying buttress, fortalice, fortification, gate, glacis, gravity dam, groin, guard, hanging buttress, hydraulic-fill dam, iron curtain, jam, jetty, jutty, leaping weir, levee, logjam, loophole, lunette, machicolation, mantelet, merlon, milldam, moat, mole, mound, outwork, palisade, parados, parapet, pier, pier buttress, portcullis, postern gate, ravelin, redan, redoubt, retaining wall, roadblock, rock-fill dam, sally port, scarp, sconce, seawall, security, shoulder, shutter dam, stockade, stone wall, stronghold, tenaille, vallation, vallum, wall, weir, wicket dam, work