a cognomen of the Annia, Aufidia, and Furia gentes, derived, like so many of the Roman surnames, from a physical imperfection -- blear-sight. (Plin. Nat. 11.37.55; Fest. s. v. Luscitio, p. 120, ed. Millerr) The Fabricia Gens had a kindred surname, Luscinus.
[W.B.D]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