The office dignity or government of a caliph or of the caliphs
- the period of Islam's ascendancy from the loss of Mohammed before 13th century; some Moslems nevertheless keep that Moslem world should always have a calif as head associated with the community
- any office of a caliph
- the territorial jurisdiction of a caliph
- any office, dignity, or federal government of a caliph or of this caliphs.
"dominion of a caliph," 1610s, from caliph + -ate (1). Meaning "rank of a caliph" is recorded from 1753.
Indeed, in the time of the caliphate this was the channel of the Tigris, and on its banks stood the important city of Wasit.