/tuyt"n/ , n.
1. Class. Myth.
a. any of the sons of Uranus and Gaea, including Coeus, Crius, Cronus, Hyperion, Iapetus, and Oceanus.
b. Also, Titaness . any of the sisters of these, including Mnemosyne, Phoebe, Rhea, Tethys, Themis, and Thia.
c. any of the offspring of the children of Uranus and Gaea.
2. the Titan , Helios.
3. Astron. one of the moons of Saturn.
4. ( usually l.c. ) a person or thing of enormous size, strength, power, influence, etc.: a titan of industry.
5. Mil. a two-stage, liquid-fueled U.S. intercontinental ballistic missile in service since the late 1950s and designed for launch from underground silos.
adj.
6. ( l.c. ) titanic 2 (def. 2).
[ 1400-50; late ME: the sun, Helios Titan Titán ]