白头偕老 báitóuxiélǎo to grow old together Origin Definitions Defs Strokes Stroke Words Sentences Sents 白头 白頭 báitóu old age old age; used metonymically to refer to a person of advanced age偕老 xiélǎo to grow old together (literary) for a husband and wife to live together for a lifetime until old age; often used in the idiom 白头偕老 báitóuxiélǎo