天子 Traditional form: 天子 Pinyin (reading): tiānzǐ Definitions: the (rightful) emperor "Son of Heaven" (traditional English translation) Characters: 天 - sky, heaven; god, celestial 子 - son, child; seed, egg; fruit; small thing Traditional characters: 天 - sky, heaven; god, celestial 子 - son, child; seed, egg; fruit; small thing