'Holies' in the Bible

And he buildeth the twenty cubits on the sides of the house with ribs of cedar, from the floor unto the walls; and he buildeth for it within, for the oracle, for the holy of holies.

and the basins, and the snuffers, and the bowls, and the spoons, and the censers, of refined gold, and the hinges for the doors of the inner-house, for the holy of holies, for the doors of the house of the temple, of gold.

And the priests bring in the ark of the covenant of Jehovah unto its place, unto the oracle of the house, unto the holy of holies, unto the place of the wings of the cherubs;