[cham.ber] n [ME chambre, fr. OF, fr. LL camera, fr. L, arched roof, fr. Gk kamara vault] (13c) 1: room; esp: bedroom
2: a natural or artificial enclosed space or cavity 3 a: a hall for the meetings of a deliberative, legislative, or judicial body "the senate ~" b: a room where a judge transacts business--usu. used in pl. c: the reception room of a person of rank or authority
4. a: a legislative or judicial body; esp: either of the houses of a bicameral legislature b: a voluntary board or council
5. a: the part of the bore of a gun that holds the charge b: a compartment in the cartridge cylinder of a revolver -- cham.bered adj
[2]chamber vt cham.bered ; cham.ber.ing (1575) 1: to place in or as if in a chamber: house
2: to serve as a chamber for; esp: to accommodate in the chamber of a firearm [3]chamber adj (1706): being, relating to, or performing chamber music