(1)房间，卧室(private room in a house，esp a bedroom)[C](旧用语)：The king retired to his～.国王退回卧室。～music/concert室内音乐/音乐会;～orchestra小型乐队;〖同〗bedroom;

(2)(法院中的)法官办公室(judge's office in a courthouse)[pl]：The lawyers met in the judge's～s.律师们在法官的办公室碰头。Let's discuss it in the～s.咱们在法官的办公室讨论这个案子吧。〖同〗office;

(3) 1)(立法)议事厅(hall where an assembly(eg parliament) meet and pass laws)[C，the～]：the council～会议厅;Labour MPs left the～in protest.工党议员离开议事厅表示抗议。The senators debates in the～s of Congress.参议院议员们在国会的议事厅内辩论。The～was full of people for the Minister's speech.议事厅里座无虚席，都是来听部长讲演的。〖同〗 apartment，hall; 2)议院(such an assembly body)[C，the～](常大写)：the Upper/Lower C～上/下议院;In Britain the upper～is the House of Lords，the lower the House of Commons.英国上院叫House of lords(上议院，贵族院)，下院叫House of commons(下议院，平民院)。Inside the Capital are the two～s where the laws are made，the Senate and the House of Representatives.国会大厦里有立法的两院：参议院和众议院。〖同〗 council，assembly，congress;

(4)专用房间(room reserved for some special purpose)[C]：a death/torture～死刑室/拷问室;～of horrors恐怖室;a built-in echo～回音暗室;

(5)1)(体内的)腔(室)(hollow space in a part of the body)[C]：the～s of the heart心室; 2)(机器内的)室(hollow space in a machine)[C]：a combustion～燃烧室; 3)枪膛(hollow space in a gun into which a bullet goes)[C]：a bullet in the～of a rifle步枪枪膛里的子弹;Many pistols have～s for six bullets.许多手枪有六个弹膛。4)(地下)穴(窝)(hollow space under the ground)[C]：discover an underground～发现一个地穴;

→′chambermaid n(旅馆的)客房服务员;′chamber-pot n 夜(尿)壶