An exhibition which displays horrific items, such as instruments of torture, frightful crimes being committed, etc. / Any place in which horrific things take place or have taken place.

plural of chamber of horrors

(now archaic, regional) Urine, especially as used for domestic or agricultural purposes.

A room used by divers to gradually readjust to normal air pressure.

(uncountable) A genre of opera written to be performed with a chamber ensemble. / (countable) An individual opera in this genre.

plural of living chamber

plural of sole chamber

(government, rare) The single legislative chamber of a unicameral legislature.

plural of chamber gate

A gate system in a fortification, comprising two or more successive gateways linked by an easily defended passageway between two walls.