| Caliph (n.) Successor or vicar; -- a title of the successors of Mohammed both as temporal and spiritual rulers, now used by the sultans of Turkey. Thesaurus Entries Esquire, Great Mogul, Master, Mister, Mogul, Muslim rulers, Prinz, Sir, atheling, caliph, cham, crown prince, effendi, hakim, heir apparent, heir presumptive, imam, khan, king, knez, mirza, nawab, nizam, prince, prince consort, prince regent, princeling, princes of India, sahib, shahzada, sheikh, sherif, sirdar, sire, sirrah, sultan |