Abbasid

a member of a dynasty of caliphs ruling at Baghdad, a.d. 750–1258, governing most of the Islamic world and claiming descent from Abbas, uncle of Muhammad.
Historical Examples

From that time forward the Abbasid caliphs became the maintainers of orthodox Islam, just as the Omayyads had been.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 Various

This was especially true of the Abbasid dynasty, who came into power in 750.
A History of Mediaeval Jewish Philosophy Isaac Husik

Nicholson and others regard the Abbasid period as the great era of Arabic poets.
The Literature of Ecstasy Albert Mordell

The ruling dynasty of Julanda in their capital Suhar lasted on till the Abbasid period.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 Various

On the other side of the shrunken Abbasid domain there was also a Shiite kingdom in Persia.
The Outline of History: Being a Plain History of Life and Mankind Herbert George Wells

This Mahommed, the father of the two first Abbasid caliphs, was a man of unusual ability and great ambition.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 Various

Of the Abbasid monarchs after Abul Abbas we need tell little here.
The Outline of History: Being a Plain History of Life and Mankind Herbert George Wells

With the decay of the power of the Abbasid caliphate its importance declined.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 Various

With the establishment of the Abbasid dynasty, a new epoch in Arabian poetry began.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 Various

noun

any caliph of the dynasty that ruled the Muslim empire from Baghdad (750–1258) and claimed descent from Abbas, uncle of Mohammed
(as modifier): the Abbasid dynasty