- died 644 ad, the second caliph of Islam (634–44). During his reign Islamic armies conquered Syria and Mesopotamia: murdered
WordReference Random House Unabridged Dictionary of American English © 2026
O•mar
(ō′mär),USA pronunciation n.
- a male given name.
Collins Concise English Dictionary © HarperCollins Publishers::
Omar /ˈəʊmɑː/, Umar n
'Omar' also found in these entries (note: many are not synonyms or translations):