Holy Of Holies (Noun)
Meaning 1
(figurative) something regarded as sacred or inviolable; "every politician fears to touch that holy of holies, the Social Security System".
Classification
Nouns denoting attributes of people and objects.
Meaning 2
(Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept.
Classification
Nouns denoting man-made objects.