Synonyms to ha-ha

aqueduct, arroyo, bed, canal, canalization, channel, conduit, course, creek bed, crimp, culvert, cut, dike, ditch, donga, dry bed, duct, entrenchment, flume, fosse, goffer, gulch, gully, gullyhole, gutter, headrace, irrigation ditch, kennel, moat, nullah, pleat, race, river bed, riverway, runnel, sluice, spillbox, spillway, stream bed, streamway, sunk fence, swash, swash channel, tailrace, trench, trough, wadi, water carrier, water channel, water furrow, water gap, water gate, watercourse, waterway, waterworks, 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, collision mat, congestion, constipation, contravallation, costiveness, counterscarp, cul-d