died 1241 also spelled Tsagadai, Jagatai, or Chaghatai the second son of Genghis Khan who, at his father's death, received Kashgaria (now the southern part of Uighur Autonomous Region of Sinkiang, China) and most of Transoxania between the Amu Darya and the Syr Darya (ancient Oxus and Jaxartes rivers) as his vassal kingdom. His capital was at Almarikh near the present Kuldja (I-ning), in western Sinkiang. Chagatai appears to have been a just and energetic ruler for about 14 years. Although it is recorded that he left numerous children, he was succeeded by a grandson, Kara Hleg.
CHAGATAI
Meaning of CHAGATAI in English
Britannica English vocabulary. Английский словарь Британика. 2012