Also found in: Dictionary, Acronyms, Wikipedia.
, c.581–644, 2d caliph (see caliphate). At first hostile to Islam, he was converted by 618, becoming an adviser to Muhammad. He succeeded Abu Bakr as caliph without opposition in 634. In his reign Islam became an imperial power.
..... Click the link for more information. , caliph.
Omar(ō`mär), in the Bible, duke of Edom.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
died 644 ad, the second caliph of Islam (634--44). During his reign Islamic armies conquered Syria and Mesopotamia: murdered
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005