sanctum sanctorum   (TTS Sound)

The noun sanctum sanctorum has 2 senses

• sanctum, sanctum sanctorum -- (a place of inviolable privacy; "he withdrew to his sanctum sanctorum, where the children could never go")


• holy of holies, sanctum sanctorum -- ((Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept)