Cestĭus Copy link Outline I. C. Cestius, Cic. Phil. 3, 10, 26.—II. L. Cestius Pius, a rhetorician of Smyrna ... • Cestĭus, ĭi, m., the name of a Roman plebeian family. I. C. Cestius, Cic. Phil. 3, 10, 26.— II. L. Cestius Pius, a rhetorician of Smyrna, Sen. Contr. 3, prooem. p. 206, 3 al.—Hence, Cestĭānus, a, um, adj., of or belonging to L. Cestius: color, Sen. Contr. 1, 7, p. 125.