Meaning

noun a person of exceptional importance and reputation

noun (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)

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

originEtymology tree Ancient Greek Τιτάν (Titán)bor. English Titan Borrowed from Ancient Greek Τιτάν (Titán).

Etymology from Wiktionary, CC BY-SA 3.0