(a) title formerly used by Muslim rulers who were successors of Muhammad 哈里发（旧时用作默罕默德继承者穆斯林统治者的称号）.
(b) chief civil and religious ruler in certain Muslim countries 哈里发（某些穆斯林国家中政教合一的统治者）.
[Date: 1300-1400; Language: Old French;Origin: calife, from Arabic khalifah 'person who comes after'; because a caliph is regarded as a successor of Mohammed]
a Muslim ruler, especially in the past
1. The caliph of Bagdad flew on his magic carpet to Arabia. 巴格达的国王驾着魔毯飞到了阿拉伯半岛。