Lewis Short
ductor (noun M) : id.
* A leader, commander, chief, general (class.; a favorite word of Vergil, used by him more than 20 times; cf.: dux, imperator, princeps, praetor, praefectus, etc.): exercitus, * Cic. Tusc. 1, 37; Liv. 1, 28: itineris,a guide,id. 7, 41; 10, 21 fin.; Verg. A. 2, 14; 8, 6; 129 et saep.; cf. apum (in their battles), id. G. 4, 88; of the leaders in warlike games,id. A. 5, 133; 249; Suet. Tib. 6: classis,a pilot,Verg. A. 6, 334; Ov. M. 12, 574: aquarum Tibris,the king of rivers,Stat. S. 3, 5, 112.
* One who extends, draws out: ferreus, poet. for iron - worker, Auct. Priap. 32, 13; cf. Vulg. Num. 10, 31.
Charlton T. Lewis, Charles Short, A Latin Dictionary