chamber

Universal Words noun 1 [C] a hall in a public building that is used for formal meetings: The members left the council chamber. * the Senate / House chamber seealsoCHAMBEROFCOMMERCE 2 [C+sing./pl.v.] 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. 3 [C] (in compounds) a room used for the particular purpose that is mentioned: a burial chamber * Divers transfer from the water to a decompression chamber. seealsoGASCHAMBER 4 [C] an enclosed space in the body, in a plant or in a machine: the chambers of the heart * the rocket's combustion chamber * the chamber of a gun (= the part that holds the bullets) 5 [C] an enclosed space under the ground: They found themselves in a vast underground chamber. 6 [C] (old use) a bedroom or private room: Lady Eleanor was found dead in her chamber.