caliphate
From Longman Dictionary of Contemporary EnglishRelated topics: Governmentcaliphateca‧li‧phate /ˈkeɪləfeɪt/ noun [countable] PGthe country a caliph rules, or the period of time when they rule itExamples from the Corpuscaliphate• By 750 the time had come for the caliphate itself to be transformed and for the Umayyad regime to be dislodged.• The issue on which these tensions mainly centred was the succession to the caliphate.