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Catholic Dictionary




Symbol of the Trinity, early used in various forms: a triangle with equal sides; three foils; three figures; the Father represented at the apex, the Son and Spirit at the bottom corners; the Hand representing the Father, the Cross the Son, the Dove the Holy Spirit, all in a triangular form. Such symbols appeared in Roman churches as late as the thirteenth century when Pope Urban VIII forbade anthropomorphic figures even as symbols of the Trinity. during the Middle Ages the triangle appeared alone with the words Unitas, Trinitas, Pater, Filius, Spiritus with the addition of "Deus Est" in the center representing the Godhead. The Catholic Church ahs honored the Trinity by a special feast since 1334.