1. holy of holies - Noun
2. Holy of holies - Proper noun
(Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept
(figurative) something regarded as sacred or inviolable
Source: WordNetI cry to you, my Lord, my rock! Do not be deaf to me, for if you are silent, I shall go down to the pit like the rest. Hear my voice raised in petition as I cry to you for help, as I raise my hands, my Lord, toward your holy of holies. Nicholas Sparks
My holy of holies is the human body, health, intelligence, talent, inspiration, love, and the most absolute freedom imaginable, freedom from violence and lies, no matter what form the latter two take. Such is the program I would adhere to if I were a major artist. Anton Chekhov
The Bar Room has a corner table placed strategically at a point diagonally across from the entrance. the table of tables in the setting of settings in the building of buildings. In the religion of lunch, this is the holy of holies. Raymond Sokolov
every politician fears to touch that holy of holies, the Social Security System Source: Internet
Holy of Holies ), was prepared to receive and house the Ark (1 Kings 6:19); and when the Temple was dedicated, the Ark—containing the original tablets of the Ten Commandments —was placed therein (1 Kings 8:6-9). Source: Internet
A reconstruction drawing of Solomon’s Temple, based on archaeological evidence and the description in 1 Kings 6. The Holy of Holies is placed on the Rock, which is actually the top of Mount Moriah and visible inside the Islamic Dome of the Rock. Source: Internet