Definition of chamber noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈtʃeɪmbə(r)//
    ; NAmE NAmE//ˈtʃeɪmbər//
    Parliament, Historic buildings
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  1. 1  [countable] a hall in a public building that is used for formal meetings The members left the council chamber. the Senate/House chamber see also Chamber of Commerce
  2. 2(also Chamber) [countable + singular or plural verb] one of the parts of a parliament the Lower/Upper Chamber (= in Britain, the House of Commons/House of Lords) the Chamber of Deputies in the Italian parliament Under Senate rules, the chamber must vote on the bill by this Friday. Wordfinderact, bill, chamber, coalition, election, law, legislation, parliament, politician, vote See related entries: Parliament
  3. 3  [countable] (in compounds) a room used for the particular purpose that is mentioned a burial chamber Divers transfer from the water to a decompression chamber. see also gas chamber
  4. 4[countable] a space in the body, in a plant or in a machine, which is separated from the rest the chambers of the heart the rocket’s combustion chamber the chamber of a gun (= the part that holds the bullets)
  5. 5[countable] a space under the ground which is almost completely closed on all sides They found themselves in a vast underground chamber.
  6. 6[countable] (old use) a bedroom or private room Lady Eleanor was found dead in her chamber. See related entries: Historic buildings
  7. Word OriginMiddle English (in the sense ‘private room’): from Old French chambre, from Latin camera ‘vault, arched chamber’, from Greek kamara ‘object with an arched cover’.Extra examples She believes there should be an elected second chamber to replace the House of Lords. a Bronze Age burial chamber He had to answer some tricky questions from the floor of the debating chamber. She is due to deliver a speech in the senate chamber. The party has gained more seats in the Chamber of Deputies in the Italian parliament. There are plans to abolish the non-elected upper chamber of the federal legislature. They are seeking to overturn the Liberal majority in the second chamber. the chamber of a gun the rocket’s combustion chamber
See the Oxford Advanced American Dictionary entry: chamber