Menēnius, name of a Roman gens. Its most celebrated member was Menenius Agrippa, who told the people the fable of the belly and the limbs, Liv. 2, 16, 7; 2, 32, 8; 2, 33, 10.

—Another Menenius in the time of Horace, noted as a foolish person, Hor. S. 2, 3, 287.

— Hence, Menēnius, a, um, adj., Menenian: tribus, a Roman tribe, Cic. Fam. 13, 9, 2.

— Menēniānus, a, um, adj., of or belonging to Menenius, Menenian: judicium, i. e. of Menenius Agrippa, Liv. 2, 52, 8.