transcendental signifier
In semiotic terms, the ultimate source of meaning, which cannot be represented and cannot be substituted by any adequate signifier. A transcendental signifier is any metaphysical, hierarchical principle that presumes to determine which cnstructions of signifiers are natural or proper. The concept that is universally exact, across cultures, that we can build a philosophy or an intellectual system upon
The idea of God is probably the best example of a transcendental signified
International Encyclopedia of Linguistics
transcendental signifier – project stamps 2014