Lewis Short
Messalla | Messāla (noun M) : (less correctly )
* A Roman surname in the gens Valeria: Corvinus primus Messanam vicit, et pri mus ex familiā Valeriorum, urbis captae in se translato nomine, Messana appellatus est: paulatimque vulgo permutante litteras, Messalla dictus,Sen. Vit. Beat. 13. The most celebrated is the orator M. Valerius Messalla Corvinus, in the time of Cicero and Augustus, Cic. Att. 15, 17, 2; 16, 16, A, 5; Tib. 4, 1, 1; Hor. A. P. 371; Sen. Contr. 2, 12, 8.—In plur., Ov. P. 4, 16, 43.
Charlton T. Lewis, Charles Short, A Latin Dictionary