triangle; three sided figure; triangular pill/tablet
Latin word, found 10 times in the texts on Socratos.
Vitruvius, On Architecture 1.1.16: … iter cum astrologis et musicis est disputatio communis de sympathia stellarum et symphoniarum in quadratis et trigonis diatessaron et diapente, a geometris divisus qui graece appellatur; ceterisque omnibus doctrinis multae res v …
All forms of trigonium