any one of the Turkish dynasties that ruled Asia Minor from the 11th to the 13th centuries; they successfully invaded Byzantium and defended the Holy Land against Crusaders
Seljuk (Turkish: Selçuk, Arabic Saljūq; also Seldjuk, Seldjuq, Seljuq) was the bey (chieftain) of a branch of Oghuz Turks known as the Kýnýk Seljuqs. He founded the Seljuq dynasty around year 1000.