/oh muy"ad/ , n. , pl. Omayyads, Omayyades /-euh deez'/ .
1. a member of the dynasty that ruled at Damascus A.D. 661-750, claiming descent from Omayya, cousin of the grandfather of Muhammad the Prophet.
2. a member of the dynasty of caliphs that ruled in southern Spain, A.D. 756-1031: related to the Damascus dynasty.
Also, Ommiad, Umayyad .