Maenĭus | Maenĭus, a, um | Maenĭa Cŏlumna, ae | Maenĭānum, i (noun F.n) :
* The name of a Roman gens: C. Maenius, consul A. U. C. 416,Liv. 8, 13, 1.—Hence
* Adj., of or belonging to a Maenius, Maenian: Maenia lex, proposed by the people's tribune Maenius, A. U. C. 468, Cic. Brut. 14, 55.— Esp. freq., , , f., a pillar in the Forum, at which thieves and refractory slaves were scourged, and to which bad debtors were summoned, a whipping-post, Cic. Div. in Caecil. 16, 50; id. Sest. 58, 124.
* N., a projecting gallery, balcony of a house (first made use of by a Maenius); commonly used in the plur.: Maeniana appellata sunt a Maenio censore, qui primus in Foro ultra columnas tigna projecit, quo ampliarentur superiora spectacula, Paul. ex Fest. p. 134 Müll.; Cic. Ac. 2, 22, 70; Suet. Calig. 18; Vitr. 5, 1, 2; Varro ap. Plin. 35, 10, 37, § 113; Dig. 50, 16, 242; Cod. Just. 8, 10, 11. —In sing.: Maenianum conscendere,Val. Max. 9, 12, 7.

Male Personal name
Confirmed occurences in the Roman Empire:

• L. Iulius Apronius Maenius Avitianus (Masc, senator), ref: PIR I 0159 | PIR ID7329
• L. Iulius Apronius Maenius Pius (Masc, senator), ref: PIR I 0160 | PIR ID7330
• L. Iulius Apronius Maenius Pius Salamallianus (Masc, senator), ref: PIR I 0161 | PIR ID7331
• Maenius Agrippa (Masc), ref: PIR M 0066 | PIR ID8701
• M. Maenius Agrippa L. Tusidius Campester (Masc, eques), ref: PIR M 0067 | PIR ID8702
• M. Maenius Cornelianus (Masc), ref: PIR M 0068 | PIR ID8703
• P. Maenius Flavianus (Masc), ref: PIR M 0069 | PIR ID8704
• Maenius Mauricianus (Masc), ref: PIR M 0070 | PIR ID8705