Synonyms to collision mat

barrier, abatis, advanced work, arch dam, backstop, balistraria, balustrade, bamboo curtain, bank, banquette, bar, barbed-wire entanglement, barbican, barrage, barricade, bartizan, bastion, battlement, bear-trap dam, beaver dam, blank wall, blind alley, blind gut, block, blockade, blockage, bolt, boom, bottleneck, boundary, brattice, breakwater, breastwork, brick wall, buffer, buffer state, bulkhead, bulwark, bumper, casemate, cecum, cheval-de-frise, choking, choking off, circumvallation, clog, cloison, cofferdam, congestion, constipation, contravallation, costiveness, counterscarp, cul-de-sac, curtain, cushion, dam, dead end, defense, demibastion, diaphragm, dike, dissepiment, ditch, dividing line, dividing wall, division, drawbridge, earthwork, embankment, embolism, embolus, enclosure, entanglement, escarp, escarpment, fence, fender, fieldwork, fortalice, fortification, frontier, gate, glacis, gorge, gravity dam, groin, ha-ha, hindrance, hydraulic-fill dam, impasse, impediment, infarct, infarction, interseptum, iron curtain, jam, jetty, leaping weir, levee, limit, lock, logjam, loophole, lunette