chamber

(chāmˈbər)

1. A room in a house, especially a bedroom.
2. A room where a person of authority, rank, or importance receives visitors.
3. chambers A room in which a judge may consult privately with attorneys or hear cases not taken into court.
4. chambers Chiefly British A suite of rooms, especially one used by lawyers.
5. A hall for the meetings of a legislative or other assembly.
6. A legislative or judicial body.
7. A board or council.
8. A place where municipal or state funds are received and held; a treasury.
9. a. An enclosed space or compartment: the chamber of a pump; a compression chamber.
   b. An enclosed space in the body of an organism; a cavity: the four chambers of the heart.
10. a. A compartment in a firearm, as in the breech of a rifle or the cylinder of a revolver, that holds the cartridge in readiness for firing.
    b. An enclosed space in the bore of a gun that holds the charge.

1. To put in or as if in a chamber; enclose or confine.
2. To furnish with a chamber.
3. To design or manufacture (a firearm) to hold a specific type of cartridge.