Hello all here is a My Celtic Triquetra Trinity Knot Headdress perfect for all you Druids Priestesses or just about anyone.Hope you all like it.Have a Great day~Xenagabby Butterfly Creations NO ONE IS ALLOWED TO COPY MY TEXTURES NO EXCEPTIONS AND IF CAUGHT DMCA TAKEDOWNS WILL BE FILED!!! Trinity Knot Meanings. The Trinity knot is also called the Triquetra and is one of the best known symbols in Celtic culture. The Celtic Christian church used it to represent the Holy Trinity, but other cultures used the symbol too and each attached its own meaning to it.