Definition of vizierate in US English:

vizierate

noun

historical
  • See vizier

    • ‘She also points out that the absence of maxims regarding the vizierate, the highest office in the land, make it unlikely that the author was a vizier.’
    • ‘During his vizierate the Ottoman Empire regained some of its former prestige and vitality.’
    • ‘Coordination between the different viziers and communication between the sovereign and the vizierates required a new official.’

Pronunciation

vizierate

/vəˈzirət//vəˈzɪrət/