Titans

noun
1.
Classical Mythology.

any of the sons of Uranus and Gaea, including Coeus, Crius, Cronus, Hyperion, Iapetus, and Oceanus.
Also, Titaness. any of the sisters of these, including Mnemosyne, Phoebe, Rhea, Tethys, Themis, and Thia.
any of the offspring of the children of Uranus and Gaea.

2.
the Titan, Helios.
3.
Astronomy. one of the moons of Saturn.
4.
(usually lowercase) a person or thing of enormous size, strength, power, influence, etc.:
a titan of industry.
5.
Military. a two-stage, liquid-fueled U.S. intercontinental ballistic missile in service since the late 1950s and designed for launch from underground silos.
adjective
6.
(lowercase) titanic2 (def 2).
noun
1.
a person of great strength or size
noun (Greek myth)
1.
any of a family of primordial gods, the sons and daughters of Uranus (sky) and Gaea (earth)
2.
any of the offspring of the children of Uranus and Gaea
noun
1.
the largest satellite of the planet Saturn, having a thick atmosphere consisting mainly of nitrogen. Diameter: 5150 km

Titans definition

The gods in classical mythology who ruled the universe until they were overthrown by Zeus. Atlas and Prometheus were Titans.

Note: Any great and powerful person can be called a “titan.”