Acheron

1. Greekhuman sciencesA river in the infernal regions; also, the infernal regions themselves. By some of the English poets, it was supposed to be a flaming lake or gulf.

   Behold! I rise from primal silence / As a storm crushing dismal shores ov Acheron

   2009, Behemoth, The Seed ov I

   3 more examples

   Ile diue into the burning lake belowe, / And pull her out of Acaron by the heeles.

   c. 1588–1593 (date written), [William Shakespeare], The Most Lamentable Romaine Tragedie of Titus Andronicus: […] (First Quarto), London: […] Iohn Danter, and are to be sold by Edward White & Thomas Millington, […], published 1594, →OCLC, [Act IV, scene iii], signature H, recto

   Acheron and Phlegeton, which a subterraneous fire causes to boil, are the billows of that hell which was visited by Æneas.

   1807, [Germaine] de Staël Holstein, translated by D[ennis] Lawler, “[[Book XIII. Vesuvius and the plain of Naples.] Chap[ter] IV.] The extempore effusion of Corinna on the Plain of Naples.”, in Corinna; or, Italy. […], volume III, London: […] Corri, […]; and sold by Colburn, […], and Mackenzie, […], →OCLC, page 234

   The Greeks believed that Hades was beneath the earth. It had five rivers—the Acheron, the Kokytos, the Lethe, the Pyriphlegethon, and the Styx. Each served as a boundary between the land of the living and the land of the dead.

   1974, C[ovington] Scott Littleton, “Hades”, in The World Book Encyclopedia, volume 9 (H), Chicago, Ill.: Field Enterprises Educational Corporation, →ISBN, page 4, column 2

2. literaryHell.
3. A small town in Victoria, Australia.

alternative Asheron

1. A language of Sudan.