Source : WordNet®

Ali
     n 1: United States prizefighter who won the world heavyweight
          championship three times (born in 1942) [syn: {Muhammad
          Ali}, {Cassius Clay}, {Cassius Marcellus Clay}]
     2: the fourth caliph of Islam who is considered to be the first
        caliph by Shiites; he was a cousin and son-in-law of
        Muhammad; after his assination Islam was divided into
        Shiite and Sunnite sects