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noun cham·ber \ˈchām-bər\

Simple Definition of chamber

  • : a small space inside something (such as a machine or your body)

  • : a usually large room where members of a government group (such as a legislature) have meetings

  • : a group of people who form part of a government

Source: Merriam-Webster's Learner's Dictionary

Full Definition of chamber

  1. 1 :  room; especially :  bedroom

  2. 2 :  a natural or artificial enclosed space or cavity

  3. 3 a :  a hall for the meetings of a deliberative, legislative, or judicial body <the senate chamber> b :  a room where a judge transacts business —usually used in plural c :  the reception room of a person of rank or authority

  4. 4 a :  a legislative or judicial body; especially :  either of the houses of a bicameral legislature b :  a voluntary board or council

  5. 5 a :  the part of the bore of a gun that holds the charge b :  a compartment in the cartridge cylinder of a revolver

chambered play \-bərd\ adjective

Examples of chamber in a sentence

  1. He put three bullets into the chamber of the gun.

  2. the chambers of the heart

  3. We waited for the senator outside the Senate chamber.

  4. The U.S. legislature is separated into two chambers: the Senate and the House of Representatives.

Origin of chamber

Middle English chambre, from Anglo-French, from Late Latin camera, from Latin, arched roof, from Greek kamara vault

First Known Use: 13th century

Other Architecture Terms



verb cham·ber

Definition of chamber

chamberedchambering play \-b(ə-)riŋ\

  1. transitive verb
  2. 1 :  to place in or as if in a chamber :  house

  3. 2 :  to serve as a chamber for; especially :  to accommodate in the chamber of a firearm

Examples of chamber in a sentence

  1. <chambered the lost hikers in the barn until the next morning>


First Known Use of chamber


Other Architecture Terms



adjective cham·ber

Definition of chamber

  1. :  being, relating to, or performing chamber music


First Known Use of chamber


CHAMBER Defined for Kids


noun cham·ber \ˈchām-bər\

Definition of chamber for Students

  1. 1 :  an enclosed space, cavity, or compartment <the chambers of the heart>

  2. 2 :  a room in a house and especially a bedroom

  3. 3 :  a room used for a special purpose <the pyramid's burial chamber>

  4. 4 :  a meeting hall of a government body <the Senate chamber>

  5. 5 :  a room where a judge conducts business outside of the courtroom

  6. 6 :  a group of people organized into a lawmaking body <The Senate and the House of Representatives make up the two chambers of the United States legislature.>

  7. 7 :  a board or council of volunteers (as businessmen)

chambered \-bərd\ adjective <a chambered shell>

Medical Dictionary


noun cham·ber \ˈchām-bər\

Medical Definition of chamber

  1. :  an enclosed space within the body of an animal—see anterior chamber, posterior chamber, pulp chamber, vitreous chamber

Law Dictionary


noun cham·ber

Legal Definition of chamber

  1. 1 :  a judge's office; specifically :  the private office where a judge carries on business other than court sessions (as conferences or signing papers) —usually used in plural <four other judges met in my chambers — R. H. Bork> <a hearing in chambers>

  2. 2a :  a hall for the meetings of a deliberative, legislative, or judicial body or assembly <to run back into the House chamber — Tip O'Neill> b :  a legislative or judicial body :  house

Seen and Heard

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expressing little or no emotion

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