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Tau cross
Christian cross in the shape of a capital T / From Wikipedia, the free encyclopedia
The tau cross is a T-shaped cross, sometimes with all three ends of the cross expanded.[1] It is called a “tau cross” because it is shaped like the Greek letter tau,[2] which in its upper-case form has the same appearance as Latin letter T.
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Another name for the same object is Saint Anthony's cross[3] or Saint Anthony cross,[4] a name given to it because of its association with Saint Anthony of Egypt.
It is also called a crux commissa,[5] one of the four basic types of iconographic representations of the cross.[6]