Vergĭlĭus

ii, m.
I. the name of a Roman gens; so, esp., P. Vergilius Maro, Hor. C. 1, 3, 6; 1, 24, 10; 4, 12, 13; id. S. 1, 5, 40.—Hence, Vergĭlĭ-ānus, a, um, adj., of or belonging to the poet Vergil, Vergilian: virtus, Plin. praef. § 22: illud, Quint. 1, 3, 13: VERGILIANVS POëTA, Inscr. Grut. 64, 5.
Lewis & Short
A Latin Dictionary, 1879
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