Definition of chamber in English:


Syllabification: cham·ber
Pronunciation: /ˈCHāmbər


1A large room used for formal or public events.
More example sentences
  • The new courthouse features 14 courtrooms and judicial chambers for the U.S. District Court and the U.S. Magistrate.
  • Using historical photographs, they restored the rotunda and legislative chamber to their original antebellum style.
  • But in the chaos of his old judicial chambers, anything could have happened.
room, hall, assembly room, auditorium
1.1Any of the houses of a legislature: the Senate chamber
More example sentences
  • Labour will table another bill in 2007 proposing the total abolition of the peerage, making the upper house an all-appointed chamber.
  • The late Donald Dewar recognised this himself and even proposed that the House of Lords should be roped in as a revising chamber for the Scottish parliament.
  • Both chambers of parliament must still confirm the new government, but this is virtually assured by the ruling coalition's clear majority.
2 literary or archaic A private room, typically a bedroom: he had his meals brought to his chamber
More example sentences
  • Opposite the door was another, leading into the King's more private chambers - his bedroom, place of worship and relaxing room.
  • The four knights were immediately recognised as royal courtiers and ushered into the Archbishop's private chambers.
  • Then I went quickly to the king's chambers, escorted by the gentleman usher.
bedroom, room
literary bower
historical boudoir
archaic bedchamber
2.1 (chambers) Law A judge’s room used for official proceedings not required to be held in open court.
More example sentences
  • If both prosecution and defence lawyers agree, the hearing can be held in the privacy of the judge's chambers, not in open court.
  • Courts sit in chambers or in open court generally merely as a matter of administrative convenience.
  • Suddenly the door leading from the judges' chambers were flung open without the usual ceremonies.
2.2 (chambers) British Law Rooms used by a lawyer or lawyers.
More example sentences
  • This seems to have been his response to the creeping erosion of the square's residential character primarily by the spread of barristers' chambers.
  • But try as they may the attractive, hard-faced young lawyers are little more than a side-show in this series about a fictional barristers' chambers in Leeds.
  • The consumer may be king in a supermarket, but not in a barrister's chambers, an accountant's office, or a clinic.
3An enclosed space or cavity: an echo chamber
More example sentences
  • An officer had to crawl through the narrow space leading to the chamber.
  • Trulli are centuries-old stone and masonry cottages built from cylindrical room-size chambers - each enclosed by conical stone roofs.
  • Held together with large screws and lit by bare light bulbs, these cramped quarters conflate domestic spaces with torture chambers.
3.1A large underground cavern.
More example sentences
  • The main turbine and generator chamber is one of the largest underground chambers excavated by man.
  • Leaf-cutter ant colonies of many millions can excavate room-sized underground chambers in which they cultivate fungus gardens.
  • His builders knew how to hew underground chambers without support, and they are still standing.
3.2The part of a gun bore that contains the charge or bullet.
More example sentences
  • The gun was of unusual design, with a series of explosive charges placed in side chambers extending obliquely from the barrel along its length, rather like the ribs on a fish-bone.
  • The chambers and bore are free of rust and pitting.
  • Cleaning the No.1 is a cinch because the chamber, bore and face of the breechblock are so accessible.
3.3 Biology A cavity in a plant, animal body, or organ: the four chambers of the heart
More example sentences
  • Crocodilians' hearts have four chambers like mammals and birds, but there is a pore between the left and right ventricles which allows some mixing.
  • A normal heart is divided into four hollow chambers, two on the right and two on the left.
  • Unlike a human heart, which has two ventricles or pumping chambers, a reptile heart has only one.
compartment, cavity;
Anatomy auricle, ventricle
4 [as modifier] Music Of or for a small group of instruments: a chamber concert
More example sentences
  • Yet I have found interest in individual guitar family instruments for use in guitar duos, or chamber music ensembles.
  • The orchestra was founded in 1951 by eight soloists from the most highly respected Viennese orchestras and chamber music ensembles.
  • I was first violinist of a chamber orchestra, played the cello in Vienna.


[with object] Back to top  
Place (a bullet) into the chamber of a gun.
More example sentences
  • His dad had just finished chambering his last bullets.
  • It was the unmistakable sound of a pump shotgun chambering a load.
  • He ejected the clips of his guns and inserted fresh ones, chambering a round into the breach of each pistol.


Middle English (in the sense 'private room'): from Old French chambre, from Latin camera 'vault, arched chamber', from Greek kamara 'object with an arched cover'.



More example sentences
  • The revolver is the first in a series of Taurus revolvers chambered for rimless cartridges and others will soon follow.
  • Frontier revolvers chambered in .45 Colt have almost paper-thin cylinder walls and should be treated accordingly.
  • The Schofield is chambered in .45 Colt and comes packed in an authentic, Western-style case.

Definition of chamber in: