THESAURUS
stone wall
arch dam, backstop, balustrade, bamboo curtain, bank, bar, barrage, barrier, bear-trap dam, beaver dam, boom, boundary, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, cofferdam, dam, defense, dike, ditch, earthwork, embankment, fence, gate, gravity dam, groin, hydraulic-fill dam, iron curtain, jam, jetty, leaping weir, levee, logjam, milldam, moat, mole, mound, parapet, portcullis, rail, railing, rampart, roadblock, rock-fill dam, seawall, shutter dam, wall, weir, wicket dam, work
ROGET THESAURUS
stone wall
Prison
N
prison, prison house, jail, gaol, cage, coop, den, cell, stronghold, fortress, keep, donjon, dungeon, Bastille, oubliette, bridewell, house of correction, hulks, tollbooth, panopticon, penitentiary, guardroom, lockup, hold, round house, watch house, station house, sponging house, station, house of detention, black hole, pen, fold, pound, inclosure, isolation (exclusion), penal settlement, penal colony, bilboes, stocks, limbo, quod, calaboose, chauki, choky, thana, workhouse, Newgate, Fleet, Marshalsea, King's Bench, Queen's Bench, bond, bandage, irons, pinion, gyve, fetter, shackle, trammel, manacle, handcuff, straight jacket, strait jacket, strait-jacket, strait-waistcoat, hopples, vice, vise, yoke, collar, halter, harness, muzzle, gag, bit, brake, curb, snaffle, bridle, rein, reins, bearing rein, martingale, leading string, tether, picket, band, guy, chain, cord, cavesson, hackamore, headstall, jaquima, lines, ribbons, bolt, deadbolt, bar, lock, police lock, combination lock, padlock, rail, wall,
stone wall, paling, palisade, fence, picket fence, barbed wire fence, Cyclone fence, stockade fence, chain-link fence, barrier, barricade, drag.