ductĭo, ōnis, f. [duco], a leading, a leading off or away (very rare; perh. not anteAug.): aquarum, Vitr. 1, 1; 10, 19: alvi, Cels. 2, 12; 4, 24 fin.: ut ducere quis posset eos in quos habet jus ductionis, Dig. 43, 30, 3, § 1.