Vaco (& vaca) (nt.) [Vedic vacas, of vac] speech, words, saying; nom. & acc. vaco Sn 54, 356, 988, 994, 1006, 1057, 1110, 1147; J i.188; Nd1 553 (=vacana byāpatha desanā anusandhi); Pv i.1112. instr. vacasā Vin ii.95 (dhammā bahussutā honti dhatā v. paricitā); iii.189; S i.12 (+manasā); Sn 365, 663, 890 (=vacanena Nd1 299); Vism 241; Mhvs 19, 42. -- As adj. ( -- ˚) vaca in combn with du˚ as dubbaca having bad speech, using bad language, foul -- mouthed M i.95; S ii.204; A ii.147; iii.178; v.152 sq.; J i.159; Pug 20; Sdhp 95, 197. Opp. suvaca of nice speech M i.126; A v.24 sq.; Pv iv.133 (=subbacaPvA 230). -- Cp. vacī & vācā.