Ăchĕrūsĭa, ae, f. [Acheruns].
I Acherusia Palus,
A A lake in Epirus , through which the Acheron flows , Plin. 4, 1, 1, 4.—
B A lake in Campania , between Misenum and Cumae , now Lago di Fusaro , Plin. 3, 5, 9, 61.—
II A cave in Bithynia , from which Cerberus is said to have been dragged , Mel. 1, 19, 7; Plin. 6, 1, 1, 4; the same called Ăchĕrūsĭs , ĭdis, f., Val. Fl. 5, 73.