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Mānīlĭus, a, name of a Roman gens. So, 
- 1.  C. Manilius, a tribune of the people   A. U. C. 687, Cic. Imp. Pomp. 24, 69; Q. Cic. Pet. Cons. 13, 51.
- 2.  A. Manilius, the astronomer and poet, author of the poem Astronomica.
- 3.  In fem.: * Mānīlĭa, ae, a courtesan, Juv. S. 6, 243.
 Hence,
- A.  Mānīlĭus, a, um, adj., of or belonging to a Manilius, Manilian: lex, of C. Manilius, according to which the chief command against Mithridates was given to Pompey, Cic. Or. 29, 102; id. Mur. 23, 47.
- B.  Mā-nīlĭānus, a, um, adj., Manilian: leges, respecting the sale of slaves, probably introduced by M’. Manilius Nepos (consul A. U. C. 605), Cic. de Or. 1, 58, 246.