The chamber of a gun or other firearm.

(often in combination) Having chambers.

simple past tense and past participle of chamber

A surname.

plural of chamberful

The amount that fills a chamber.

An orchestra of modest size, to play chamber music, yet larger than the various chamber ensembles named after their number of instruments (from duo to nonet)

A pressurised housing.

(government) The lower legislative chamber in a bicameral legislature; in many cases, the one that is directly elected and/or has more practical power, such as the power to raise and spend money.

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