牙子 Traditional form: 牙子 Pinyin (reading): yázi Definitions: serrated edge (old) middleman broker Characters: 牙 - tooth, molar; fang, tusk; serrated 子 - son, child; seed, egg; fruit; small thing Traditional characters: 牙 - tooth, molar; fang, tusk; serrated 子 - son, child; seed, egg; fruit; small thing