- (in Islamic countries) a supposed descendant of Muhammad through his grandson Hussein, the second son of his daughter Fatima.
- a title of respect, especially for royal personages.
- a Muslim claiming descent from Mohammed’s grandson Husain
- a Muslim honorary title
also sayid, Islamic title of honor, applied to descendants of Hussein, Muhammad’s grandson, 1788, from Arabic sayyid “lord, chief,” perhaps literally “speaker, spokesman.”