Coccēius, a, the name of an Italic gens. I. Cocceius Nerva, Hor. S. 1, 5, 28. —II. M. Cocceius Nerva, a celebrated lawyer under Tiberius, Tac. A. 4, 58 al.—III. M. Cocceius Nerva, grandson of the preceding, Inscr Orell. 1634; emperor, A.U.C. 849-851, Tac. A. 15, 72; Mart. 8, 70, 7.