Lewis & Short

2. centŭrĭo (in many inscriptions before the time of Quintilian erroneously aspirated chenturio, like choronae, praechones, etc., Quint. 1, 5, 20; cf. the letter C), ōnis, m. (access. form centŭrĭōnus, like curionus and decurionus, acc. to Fest. p. 49 Müll.) [centuria, II.], the commander of a century, a captain, centurion, occupying a station below the tribunus, Caes. B. G. 1, 40; 2, 25; 6, 39; Cic. Balb. 15, 34; Sall. J. 59, 3; Liv. 2, 27, 6; 7, 41, 5; Hor. S. 1, 6, 73; cf. Dict. of Antiq.