noun

• (archaic) A set of rooms in a building used as an office or a residential apartment.
  "Thanks, my lord, for your veniſon, for finer or fatter / Never rang'd in a foreſt, or ſmoak'd in a platter; / […] / I had thoughts, in my chambers, to place it in view, / To be ſhevvn to my friends as a piece of virtu; […]"
• (by extension, law)
• (by extension, law)
  "[B]e you mannerly to her, becauſe you are to pretend only to be her Squire, to arm her to her Lavvyers Chambers; but I vvill be impudent and baudy, for ſhe muſt love and marry me."
• (British, historical) 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by imaginary lines connecting headlands, over which the Crown asserted exclusive jurisdiction; these have now been superseded by the concept of the territorial sea.
  "[W]e cannot be ſecure, vvhile ſuch huge Fleets of Men of VVar, both Spaniſh, French, Dutch, and Dunkirkeers, ſome of them laden vvith Ammunition, Men, Arms, and Armies, do daily ſail on our Seas, and confront the Kings Chambers; […]"