Chiefly in in chambers: a judge's private office which is used for hearings that do not need to be held in open court.
Originally, a set of rooms at an Inn of Court used by one or more barristers as an office and residence; now, the office of one or more barristers in any building.
In full king's chambers: parts of the sea next to the coast of England and Wales delimited by imaginary lines connecting headlands, over which the Crown asserted exclusive jurisdiction; these have now been superseded by the concept of the territorial sea.
The upper legislative chamber in a bicameral legislature; usually smaller and having more restricted power than the lower chamber.