/euh bas"id, ab"euh sid/ , n.
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.
Also, Abbassid, Abbasside /euh bas"uyd, ab"euh suyd'/ .
[ al- )' abbas + -ID 1 ]