1. Cocytus - Noun
2. Cocytus - Proper noun
(Greek mythology) a river in Hades that was said to be a tributary of the Acheron
Source: WordNetThe Blockbuster Video-sponsored circle, located in Nether Hell between the former eighth and ninth levels of Malebolge and Cocytus, is expected to greatly alleviate the overcrowding problems that have plagued the infernal underworld in recent years. Source: Internet