The god of the underworld and ruler of the dead, son of Cronus and Rhea, brother of Zeus and Poseidon.
Hell.
The underworld, the domain of Hades, by transference from its god.
In the Septuagint Bible, the Greek translation of Sheol.
Hell as a waiting place for damned souls before the Last Judgement, after which they may be cast in Gehenna.
In Germanic and Norse cosmology, the Norse underworld, location of the domain Hel and of the realm of Hel, the goddess of the dead.