(government) The upper legislative chamber in a bicameral legislature; usually smaller and having more restricted power than the lower chamber.

plural of chamber orchestra

plural of combustion chamber

A vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it.

(derogatory) a legal or administrative body with strict, arbitrary rulings and secretive proceedings

plural of chamber of commerce

plural of chamber ensemble

plural of chamber lamp

An oil lamp designed for indoor use. / An indicator light associated with a chamber.

(Canada, politics, informal, sometimes capitalized) The assembly hall in which the Senate of Canada convenes; (metonymically) the Senate of Canada itself.