I.a Roman surname in the Julian gens, Liv. 23, 15; 25, 2.
a. D. Junius Silanus, Cic. Fin. 1, 7, 24; id. Off. 2, 16, 57; id. Cat. 4, 4, 7; Sall. C. 50, 4; 51, 16. —
b. M. Silanus, Cic. Brut. 35, 135; id. Fan 10, 30. 1.—Hence, Sīlānĭānus , a, um, adj., of or named from one Silanus: “senatusconsultum,” Dig. 29, 5, 1, §§ 7 and 21.