chamber ( chambers plural )
1 n-count A chamber is a large room, especially one that is used for formal meetings.
usu supp N
We are going to make sure we are in the council chamber every time he speaks.
2 n-count You can refer to a country's parliament or to one section of it as a chamber.
More than 80 parties are contesting seats in the two-chamber parliament..., Signor Amato's government has only a 16-seat majority in the Chamber of Deputies.
3 n-count A chamber is a room designed and equipped for a particular purpose. with supp For many, the dentist's surgery remains a torture chamber. →
Chamber music is classical music written for a small number of instruments. n-uncount
chamber of commerce ( chambers of commerce plural ) A chamber of commerce is an organization of businessmen that promotes local commercial interests. (BUSINESS) n-count
chamber orchestra ( chamber orchestras plural ) A chamber orchestra is a small orchestra which plays classical music. n-count
chamber pot ( chamber pots plural ) A chamber pot is a round container shaped like a very large cup. Chamber pots used to be kept in bedrooms so that people could urinate in them instead of having to leave their room during the night. n-count
gas chamber ( gas chambers plural ) A gas chamber is a room that has been specially built so that it can be filled with poisonous gas in order to kill people or animals. n-count
The second chamber is one of the two groups that a parliament is divided into. In Britain, the second chamber is the House of Lords. In the United States, the second chamber can be either the Senate or the House of Representatives. n-sing