What is the significance of the Triple Tau in Freemasonry?

The Triple Tau, consisting of three tau crosses conjoined at their feet, serves as the badge of a Royal Arch Mason and is known in English tradition as the emblem of all emblems 1.

Its structural form carries both geometrical and theological meanings. The traditional English Royal Arch lectures explain that its intersecting lines form right angles whose combinations equal the five Platonic bodies, symbolizing the four elements and the sphere of the universe 1. Theologically, the union of the three crosses signifies the threefold nature of the Deity—representing God as one, yet encompassing three distinct aspects 2.

Albert Mackey interprets the symbol in light of the Book of Ezekiel, where the tau cross marked those set apart for salvation; in his reading, the triple tau serves as a mark designating those who know and worship the true name of God from those who are ignorant of that mystery 1. Robert Lomas similarly notes that the three taus represent the rulers who govern, coming together to form the emblem of a single God 2.

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