The Collaborative International Dictionary of English v.0.48:

Track \Track\, v. t. [imp. & p. p. tracked; p. pr. & vb. n.
   tracking.]
   To follow the tracks or traces of; to pursue by following the
   marks of the feet; to trace; to trail; as, to track a deer in
   the snow.
   [1913 Webster]

         It was often found impossible to track the robbers to
         their retreats among the hills and morasses.
                                                  --Macaulay.
   [1913 Webster]

   2. (Naut.) To draw along continuously, as a vessel, by a
      line, men or animals on shore being the motive power; to
      tow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tracked
    adj 1: having tracks; "new snow tracked by rabbits"; "tracked
           vehicles" [ant: trackless]