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1. Nŭmīcĭus, ii, and Nŭmīcus, i, m., a small river in Latium, near Lavinium, on the banks of which stood the grove of Juppiter Indiges, now Rio Torto.
2. Nŭmīcĭus, a, the name of a Roman gens. So, L. Numicius Circeiensis, Liv. 8, 3: T. Numicius Priscus, a consul, id. 2, 63: Ti. Numicius, a tribune of the people, Cic. Off. 3, 30, 109: Minucius Thermus. Tac. A. 16, 20. To Numicius is addressed Hor. Ep. 1, 6.