Marathon, ōnis, f. (m., Mel. 2, 3, 6), = Μαραθών, a town (now Vrana) on the eastern coast of Attica, famed for the death of Icarus, the victory of Theseus over the Marathonian bull, and that of Miltiades over the Persians, Mel. 2, 3, 6; Cic. Off. 1, 18, 61; Nep. Milt. 4, 2; Just. 2, 15, 18: proelium apud Marathona, Plin. 35, 8, 34, § 57; Ov. M. 7, 433.
—Hence, Maratho-nius, a, um, adj., = Μαραθώνιος, of or belonging to Marathon, Marathonian: an etiam Theseus Marathonii tauri cornua comprehendit iratus? Cic. Tusc. 4, 22, 50: pugna, id. Att. 9, 10, 3.
— Transf., Athenian: Marathonia virgo, i. e. Erigone, Stat. S. 5, 3, 74: hostis, Sil. 14, 650; Just. 4, 4; 5.
— Marathōnis, idis, adj. f., = Μαραθωνίς, Marathonian: quercum Marathonida Theseus extulit, i. e. the spear with which he fought against the Marathonian bull, Stat. Th. 12, 730: Marathonide silvā, id. ib. 11, 644.