HELLESPONT (i.e., "Sea of Helle"; variously named in classical literature `EXXiiairovros, o "EXXnsirovros, Hellespontum Pelagus, and Fretum Hellesponticum), the ancient name of the Dardanelles (q.v.). It was so-called from Helle, the daughter of Athamas (q.v.), who was drowned here. See ARGONAUTS.