whispering-closetn. satirically for a private consulting-room.
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > parts of building > room > types of room generally > [noun] > private or inner room > for consultations
whispering-room1623
whispering-closet1808
1808 J. BenthamSc. Reform 80 The Judge's whispering-closet: from which all who have any interest in the discovery of the truth are carefully excluded.