2. Mĕdĭon, ōnis, f., a city of Acarnania, Liv. 36, 11, 10; 36, 12, 1; 44, 23, 3. Hence, Mĕdĭōnĭus, a, um, adj., of or belonging to Medion. Plur. subst.: Mĕ-dĭōnii, ōrum, m., the inhabitants of Medion, Liv. 36, 12, 3.