Kerulen
(redirected from Herelen)Also found in: Encyclopedia.
Ker·u·len
(kĕr′o͝o-lĕn) A river rising in northeast Mongolia and flowing about 1,260 km (785 mi) south then east to a lake in northeast China.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.