Nantoka/吽óu吽 (óu) is a Chinese word meaning “used in 吽牙[ou2 ya2]”.Meanings1used in 吽牙[ou2 ya2]Related words吽sound of a Buddhist incantation吽roar or howl of an animal吽牙(onom.) the barking of dogs fighting唵嘛呢叭咪吽om mani padme hum (Buddhist mantra)吽呀variant of 吽牙[ou2 ya2]Study Chinese with flashcards →