a surname of Jupiter, answering to the Greek Ἐλευθέριος, to whom Augustus built a temple on the Aventine. (Tac. Ann. 15.64, 16.35; comp. Becker, Handb. der Röm. Alterth. i. p. 457.)
[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