The room in which a great personage receives company.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "presence chamber" in a sentence
"The sanctuary of the presence chamber was veiled with a curtain; and the vizier, who conducted the ambassadors, laid aside the cimeter, and prostrated himself three times on the ground; the veil was then removed; and they beheld the commander of the faithful, who signified his pleasure to the first slave of the throne."