titan
     n 1: a person of exceptional importance and reputation [syn: {colossus},
           {behemoth}, {giant}, {heavyweight}]
     2: (Greek mythology) any of the primordial giant gods who ruled
        the Earth until overthrown by Zeus; the Titans were
        offspring of Uranus (Heaven) and Gaea (Earth)
     3: the largest of the satellites of Saturn; has a hazy nitrogen
        atmosphere
Source: WordNet® 2.0