里子 Traditional form: 裡子 Pinyin (reading): lǐzi Definitions: lining (fig.) substance (as opposed to outward appearance) Characters: 里 - unit of distance equal to 0.5km; village; lane 子 - son, child; seed, egg; fruit; small thing Traditional characters: 裡 - unit of distance equal to 0.5km; village; lane 子 - son, child; seed, egg; fruit; small thing