a name by which Ovid (Ov. Met. 5.487) designates the nymph of the Sicilian well Arethusa, because it was believed to have a subterraneous communication with the river Alpheius, in Peloponnesus.
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890