Read Edit View history 老三 lǎosān third child Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 老三 · lǎosān · third child 2026/03/14 老三 lǎosān third child the third-born child in a family 我是家里的老三，上面有两个哥哥。 noun created sense Mar 14, 2026, 09:06 PM