[L. Acheron a. Gr. Ἀχέρων.] A fabulous river of the Lower World; hence, the infernal regions.
1590. Shaks., Mids. N. D., II. ii. 357. With drooping fogge as blacke as Acheron.
1637. Milton, Comus, 604. Under the sooty flag of Acheron. Ibid. (1667), P. L., II. 578. Sad Acheron of sorrow, black and deep.
1756. Burke, Subl. & B., Wks. I. 199. The poisonous exhalation of Acheron is not forgot.
