legislature, pro tem, anteroom, senate, hall, council, speaker, legislative, parliament, symphony, senators, commerce, lobby, legislators, rotunda, lawmaking, quorum, committee, auditorium, caucus, pro tempore, trusteeship council, orchestra, left ventricle, gavel, hemicycle, conferee, legislative council, ballroom, organ, philharmonic, statehouse, duma, tcha, antechamber, courtroom, city council, bill, marcia, recessing, lieutenant governor, foyer, sejm, plenum, cavern, kiva, resonant cavity, amorino, cloakroom, parliamentary, chorale, doorkeeper, councilmen, hallway, cabinet, gallery, chair, abdominal cavity, subcommittees, ramrod, kiwanian, vestibule, nem con, legislative assembly, ayes, probus, house, riksdag, choir, rectum, floor, plenary, orchestra pit, room, capitol, trio sonata, rostrum, ministerium, courthouse, congress, coliseum, cavity, civic, rubber stamp, xenon, gallows, airlock, church, toastmasters, theater, congressmen, officeholders, hope chest, seanad eireann, mayor, woolsack, office, congregation, ventricles, crematorium, jean baptiste lully, colon, chambers, tank, cage, vault, tunnel, box, cellar, compartment, drawer, enclosure, vat, bar, cave, inlet, reservoir, cistern, bed, block, driving, frictionless, noisier, running, slab, 19th, 20th, 2nd, 2oth, acting, adored, airless, aleatory, angolan, antivirus, assemble, assembling, autochthonous

air lock, atrium, boudoir, caisson, camera obscura, cavity resonator, child's room, cofferdam, core, cylinder, dormitory, dormitory room, dorm room, fireroom, firing chamber, furnace, guestroom, gun chamber, heart ventricle, hotel room, hyperbaric chamber, master bedroom, motel room, packing box, piston chamber, pneumatic caisson, resonating chamber, resonator, steam chest, stokehold, stokehole, stuffing box, tokamak, vacuum chamber, ventricle

air-raid shelter, airlock, air lock, anechoic, anechoic chamber, aortic orifice, atrial, atrium, atrium cordis, atrium dextrum, atrium of the heart, atrium sinistrum, beethoven, bloch, body plethysmograph, bombproof, bomb shelter, boron chamber, burial chamber, burial vault, caisson, canal of schlemm, cartridge, cartridge extractor, cartridge remover, cavern, cavity resonator, charles thomson rees wilson, cloakroom, cofferdam, core, cover plate, crypt, cylinder, cylinder head, dash-pot, death chamber, deputy, divan, diwan, donald arthur glaser, donald glaser, doorkeeper, elgar, ernest bloch, external-combustion engine, extractor, fireroom, firing chamber, furnace, gas chamber, gas oven, geiger-muller tube, geiger tube, glaser, gun chamber, heart ventricle, holy of holies, hyperbaric chamber, hyphema, innermost, iron lung, left atrium, left atrium of the heart, left ventricle, ludwig van beethoven, magazine, mausoleum, maxwell's demon, muffle, orifice, packing box, piston chamber, pneumatic caisson, resonating chamber, resonator, right atrium, right atrium of the heart, right ventricle, saccule, sacculus, sanctum sanctorum, schlemm's canal, sepulcher, sepulchre, sepulture, sinus venosus sclerae, sir edward elgar, sir edward william elgar, slop jar, slop pail, soundbox, standing wave, stationary wave, steam chest, stokehold, stokehole, stuffing box, tokamak, usher, vacuum chamber, van beethoven, vault, ventricle, vitreous, vitreous body, vitreous humor, vitreous humour, wilson

abode, domicile, dwelling, dwelling house, habitation, home

assembly, bodily cavity, cavum, put up

bedchamber, bedroom, sleeping room