Mansur al-

Man·sur

 (măn-so͝or′), al- Full name Abu Jafar Abdullah al-Mansur. 712?-775.
Second Abbasid caliph (754-775), who founded Baghdad in 764.
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.