老公公 Traditional form: 老公公 Pinyin (reading): lǎogōnggong Definitions: old man husband's father father-in-law court eunuch Characters: 老 - old, aged; experienced 公 - fair, equitable; public; duke 公 - fair, equitable; public; duke Traditional characters: 老 - old, aged; experienced 公 - fair, equitable; public; duke 公 - fair, equitable; public; duke