a person or thing of very great strength, intellect, or importance

a titan of American industry

the break-up reduced the political clout of a corporate titan

any of the older gods who preceded the Olympians and were the children of Uranus (Heaven) and Gaia (Earth). Led by Cronus, they overthrew Uranus; Cronus' son, Zeus, then rebelled against his father and eventually defeated the Titans

the largest satellite of Saturn (diameter 5,150 km), the fifteenth closest to the planet, discovered by C. Huygens in 1655. It is unique in having a hazy atmosphere of nitrogen, methane, and oily hydrocarbons