tridualis Save DMLBS tridualis [CL triduum+-alis], of three days, that lasts for three days. s1293 pecierunt Picardi inducias ~es W. Guisb. 244; s1295 illi petitis et optentis ~ibus induciis miserunt Burdegalim ut auxilium mitterent Ib. 261 (= Knighton I 361).