n.
The office or jurisdiction of a caliph. The last caliphate was held by Ottoman Turkish sultans until it was abolished by Kemal Atatürk in 1924.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.