永乐大典 yǒnglèdàdiǎn Yongle Encyclopedia Origin Definitions Defs Strokes Stroke Words Sentences Sents 永乐 永樂 yǒnglè Yongle The era name of the Ming dynasty Emperor 朱棣 zhūdì who reigned from 1403 to 1424.大典 dàdiǎn great classics A collection of great classics or a massive, important work of literature.