chamber

a room, or a group of rooms that belong together, often in a large or important building

The room used for deliberation by a legislature.

(figurative) The legislature or division of the legislature itself.

Any enclosed space occupying or similar to a room.

An enlarged space in an underground tunnel of a burrowing animal.

One of the two atria or two ventricles of the heart.

The private room of an individual, especially of someone wealthy or noble.

A bedroom.

The private office of a judge.

(UK) A single law office in a building housing several.

[usually plural] (old-fashioned) Rooms in a lodging house.

The area holding the ammunition round at the initiation of its discharge.

One of the bullet-holding compartments in the cylinder of a revolver.

(historical) A short piece of ordnance or cannon which stood on its breech without any carriage, formerly used chiefly for celebrations and theatrical cannonades.

(no longer used) Ellipsis of chamber pot (“a container used for urination and defecation in one's chambers”).

To enclose in a room.

To place in a chamber, as a round of ammunition.

To create or modify a gun to be a specific caliber.

To prepare an offensive, defensive, or counteroffensive action by drawing a limb or weapon to a position where it may be charged with kinetic energy.

To reside in or occupy a chamber or chambers.

(no longer used) To be lascivious.