† ˈbattismObs.rare—1. [f.Gr. βάττος stammerer (see battological) + -ism.] Tautological repetition; = battology. 1617Collins Def.Bp. Ely i. v. 198 The frequencie of repeating it, to which his Battismes..and his abhominable Crambes giue the only occasion.