Ubbāhikā (f.) [orig. f. of ubbāhika, adj. fr. ubbāheti in abstr. use] a method of deciding on the expulsion of a bhikkhu, always in instr. ubbāhikāya "by means of a referendum", the settlement of a dispute being laid in the hands of certain chosen brethren (see Vin Texts iii.49 sq.) Vin ii.95, 97, 305; v.139, 197; A v.71; Mhvs 4, 46.