(idiomatic) A forbidden room.

(historical, cryptography, informal) A government or royal court's cryptanalyst department.

plural of blue chamber

A musical ensemble of modest size, to play chamber music; can be more specifically named after its number (from duo to nonet) and/or type(s) (e.g. wood, brass, strings) of instruments.

A vessel containing air at an elevated pressure, especially one used to administer oxygen to a patient

plural of gas chamber

plural of chamber candlestick

A small, portable candlestick suitable for carrying to the bedroom.

One of 67 counties in Alabama, United States. County seat: LaFayette. Named after Henry H. Chambers.

plural of chamber of commerce