Phlegethon n. (Class Myth.) One of the principal rivers of Hades, in the channel of which fire flowed instead of water. "Fierce Phlegethon, Whose waves of torrent fire inflame with rage."
... politely. In a few moments I found myself in the greyness of the autumn afternoon wandering on the Thames Embankment like a lost soul on the banks of Phlegethon. It seemed as if I had never seen the sun, should never see the sun again. I was ... — The Morals of Marcus Ordeyne • William J. Locke