2. (noun)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) Synonyms: colossus, behemoth, giant, heavyweight
3. (noun)Titan the largest of the satellites of Saturn; has a hazy nitrogen atmosphere Synonyms: colossus, behemoth, giant, heavyweight