Lewis Short
Cĕphălēnĭa | -allānia, um | Cĕphălēnes, ārum | Cĕphălēnītae (noun F.m.m) : (), , , = Κεφαληνία or Κεφαλληνία
* The largest island in the Ionian Sea, now Cephalonia, Mel. 2, 7, 10; Plin. 4, 12, 19, § 54 sq.; Liv. 37, 13, 11; 38, 9, 10; 38, 28, 7; Flor. 2, 9, 4.
* Hence
* = Κεφαλῆνες, the inhabitants of Cephalenia, Liv. 37, 13, 12; Sil. 15, 305.
* The same, Serv. ad Verg. E. 8, 68.
Charlton T. Lewis, Charles Short, A Latin Dictionary