Triquetra is a word derived from the Latin tri- ("three") and quetrus ("cornered"). Its original meaning was simply "triangle" and it has been used to refer to various three-cornered shapes. Nowadays, it has come to refer exclusively to a certain more complicated shape formed of three vesicae piscis, sometimes with an added circle in or around it. Ancient usage Germanic paganism The triquetra has been found on rune stones in Northern Europe and on early Germanic coins. It presumably had pagan r… (More on Triquetra)