Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. zāmǎládīng 扎马剌丁 Jamal al-Din ibn Muhammad al-Najjari (13th century), famous Persian astronomer and scholar who served Khubilai Khan 忽必烈 from c. 1260 zāmǎládīng 紮馬剌丁 Jamal al-Din ibn Muhammad al-Najjari (13th century), famous Persian astronomer and scholar who served Khubilai Khan 忽必烈 from c. 1260