Caesōnĭus, a, name of a Roman gens. —So,
I M. Caesonius, aedile with Cicero , Cic. Att. 1, 1, 1; 1, 12, 11; id. Verr. 1, 10, 29. —
II Caesonius Paetus, consul under Nero , Tac. A. 14, 29.
III —Hence, Caesōnĭānus , a, um, adj., Col. 1, 4, 1.—
III Milonia Caesonia, mistress and afterwards wife of Caligula , Suet. Calig. 25; Juv. 6, 616.