许慎 Traditional form: 許慎 Pinyin (reading): Xǔ Shèn Definitions: Xu Shen (-147) the compiler of the original Han dynasty dictionary Shuowen Jiezi 說文解字/说文解字 ( Shuōwén Jiězì) Characters: 许 - to consent, to permit; to promise, to betroth 慎 - cautious, prudent Traditional characters: 許 - to consent, to permit; to promise, to betroth 慎 - cautious, prudent