Holy of holies Meaning, Definition & Usage
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noun (figurative) something regarded as sacred or inviolable
- every politician fears to touch that holy of holies, the Social Security System
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noun (Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept
sanctum sanctorum.
WordNet
Definitions
(Script.) , the innermost apartment of the Jewish tabernacle or temple, where the ark was kept, and where no person entered, except the high priest once a year.