长子 Traditional form: 長子 Pinyin (reading): Zhǎngzǐ Definitions: Zhangzi county in Shanxi 山西 ( Shānxī) Characters: 长 - long, lasting; to excel in 子 - son, child; seed, egg; fruit; small thing Traditional characters: 長 - long, lasting; to excel in 子 - son, child; seed, egg; fruit; small thing