Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
prae-dūco, xi, ctum, 3, v. a., to draw, make, or put before or in front (not in Cic.): fossam et maceriam, Caes. B. G. 7, 69: fossas transversas viis, id. B. C. 1, 27; Tib. 4, 1, 83: fossas muris, Sil. 10, 411; cf. Sen. Ira, 2, 8, 6: murum, Caes. B. G. 7, 46: lineas itineri, to mark out the way by drawn lines, Plin. 33, 4, 21, § 75.