passus ūs (gen plur. rarely passūm, L.), m 1 PAT-, a step, pace: nec terras passibus cuiusquam potuisse peragrari: ferens lassos passūs, O.: sequitur patrem non passibus aequis, V.: passu anili procedere, O.

—A footstep, track, trace: si sint in litore passūs, O.

—A pace, stride, doublestep (a measure of length, containing five Roman feet), esp. in the phrase, mille passuum, a thousand paces, mile: milia passuum CCXL, Cs.: milia passuum ducenta.