公公 gōnggong father-in-law Origin Definitions Defs Strokes Stroke Words Sentences Sents gōnggong father-in-law 公 gōng reduplication father-in-law (bound form) a woman's father-in-law (husband's father)gōnggong old man · grandfather · eunuch · Grand Tutor 公 gōng reduplication sir respectful form of address for an elderly man or a man of high social status