Hades (lit. the Unseen), the dark abode of the shades of the dead in the nether world, the entrance into which, on the confines of the Western Ocean, is unvisited by a single ray of the sun; originally the god of the nether world, and a synonym of Pluto (q. v.).

HADES, n. The lower world; the residence of departed spirits; the
place where the dead live.
Among the ancients the idea of Hades was not synonymous with our
Hell, many of the most respectable men of antiquity residing there in
a very comfortable kind of way. Indeed, the Elysian Fields themselves
were a part of Hades, though they have since been removed to Paris.
When the Jacobean version of the New Testament was in process of
evolution the pious and learned men engaged in the work insisted by a
majority vote on translating the Greek word "Aides" as "Hell"; but a
conscientious minority member secretly possessed himself of the record
and struck out the objectional word wherever he could find it. At the
next meeting, the Bishop of Salisbury, looking over the work, suddenly
sprang to his feet and said with considerable excitement: "Gentlemen,
somebody has been razing 'Hell' here!" Years afterward the good
prelate's death was made sweet by the reflection that he had been the
means (under Providence) of making an important, serviceable and
immortal addition to the phraseology of the English tongue.