Anti-camera

At the firſt Onſet he had ſmall Encouragement: For he came to Wallingford-Houſe to break with the Duke upon this matter, who was then ſhut up with Dr. Preſton in cloſe Conſultation, where the Great Seal, and the Keeper of it, waited two Hours in the Anti-Camera, and was ſent Home without the Civility of Admiſſion.

Source: wiktionary

The idea of the Great Hall was ſuggeſted by the Earl himſelf, from the judicious and learned Palladio’s example of a Baſilica, or tribunal of juſtice, exhibited in his Deſigns for Monſignor Barbaro’s tranſlation of Vitruvius. The tribunal part, or ſemi-circular nich at the upper end, contains the flight of ſteps leading up to the ſaloon, or grand anti-camera; that to the right and left, conducts to the apartments.

Source: wiktionary

The Holy Father then stood conversing with me at the entrance of the Audience Chamber in sight of the crowd of officials and persons waiting in the Anti-camera.

Source: wiktionary

For nine or ten hours pope and cardinals remained together, the sound of their voices, as they shouted and interrupted one another, heard by the attendants in the anti-camera without.

Source: wiktionary