Pronunciation: (sēr' där'yu; Russ. sir' du-ryä'), [key]
a river in central Asia, flowing NW from the Tien Shan Mountains in Kyrgyzstan, through Uzbekistan and Kazakhstan to the Aral Sea. 1300 mi. (2100 km) long. Ancient name, Jaxartes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.