triscalamus Save DMLBS triscalamus [τρίς+κάλαμος], St. John's wort (Hypericum perforatum). hiperico, i. triscalano Gl. Laud. 796; herba Sancti Johannis, ypericon ‥ ~us ‥ herba perforata ‥ A. Seynt Jones uurt Alph. 78.