Popĭlĭus

i, m.
I. the name of a Roman gens. So esp.,
1. M. Popillius Laenas, a consul A. U.C. 395, Cic. Brut. 14, 56.—
2. C. Popilius Laenas, the assassin of Cicero, Liv. Epit. 120; Sen. Suas. 7.—
3. In fem.: Popilia, Cic. de Or. 2, 11, 44.— Hence,
II. Popĭlĭus, a, um, adj., of or belonging to a Popilius, Popilian: gens, Cic. Leg. 2, 22, 55.
Lewis & Short
A Latin Dictionary, 1879
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