Definition of "Acheron"

Acheron¹

/ˈæ.kəɹ.ən/

proper noun
1. (Greek mythology) A 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.
  Quotations
  And pull her out of Acheron by the heels
  c. 1588–1593 (date written), William Shakespeare, “The Lamentable Tragedy of Titus Andronicus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene iii]
  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, […], page 234
  Behold! I rise from primal silence / As a storm crushing dismal shores ov Acheron
  2009, Behemoth, The Seed ov I
2. (literary) Hell

Acheron²

proper noun
1. A language of Sudan.