Lewis Short
Cōthōn (noun M) : orig. a Semitic word, but identified by the Greeks with κώθων.
* In gen., a name given to any artificial harbor, Paul. ex Fest. p. 37, 9 Müll.
* Esp.
* The artificial inner harbor of Carthage, Serv. ad Verg. A. 1, 427.
* The name of several islands, Plin. 4, 12, 19, § 56; Mel. 2, 7, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary