1. (

• colossus ,
• behemoth ,
• giant ,
• heavyweight ,
• titan ,

) a person of exceptional importance and reputation ;

2. (

• Titan

) (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. (

• Titan

) the largest of the satellites of Saturn; has a hazy nitrogen atmosphere ;