prison, prison house; jail, gaol, cage, coop, den, cell; stronghold, fortress, keep, donjon, dungeon, Bastille, oubliette, bridewell, house of correction, hulks, tollboth, panopticon, penitentiary, guardroom, lockup, hold; round house, watch house, station house, sponging house; station; house of detention, black hole, pen, fold, pound;
inclosure; penal settlement; bilboes, stocks, limbo, quod; calaboose, chauki, choky, thana; workhouse [U.S.]., Newgate, Fleet, Marshalsea; King's (or Queen's) Bench., bond; bandage; irons, pinion, gyve, fetter, shackle, trammel, manacle, handcuff, 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 (fastening); cavesson, hackamore [U.S.], headstall, jaquima [U.S.], lines, ribbons., bolt, bar, lock, padlock, rail, wall; paling, palisade; fence; barrier, barricade.,
drag (hindrance).