姑公 gūgōng great-uncle or uncle-in-law Definitions Defs Origin Strokes Stroke Words Sentences Sents gūgōng great-uncle or uncle-in-law 姑 gū noun paternal aunt sister of one's father; father's sister公 gōng noun sir respectful form of address for an elderly man or a man of high social statusgūgōng parents-in-law 姑 gū husband's mother (literary) mother of one's husband; mother-in-law公 gōng noun father-in-law (bound form) a woman's father-in-law (husband's father)