The Collaborative International Dictionary of English v.0.48:

Trail \Trail\, n.
   1. A track left by man or beast; a track followed by the
      hunter; a scent on the ground by the animal pursued; as, a
      deer trail.
      [1913 Webster]

            They traveled in the bed of the brook, leaving no
            dangerous trail.                      --Cooper.
      [1913 Webster]

            How cheerfully on the false trail they cry! --Shak.
      [1913 Webster]

   2. A footpath or road track through a wilderness or wild
      region; as, an Indian trail over the plains.
      [1913 Webster]

   3. Anything drawn out to a length; as, the trail of a meteor;
      a trail of smoke.
      [1913 Webster]

            When lightning shoots in glittering trails along.
                                                  --Rowe.
      [1913 Webster]

   4. Anything drawn behind in long undulations; a train. "A
      radiant trail of hair." --Pope.
      [1913 Webster]

   5. Anything drawn along, as a vehicle. [Obs.]
      [1913 Webster]

   6. A frame for trailing plants; a trellis. [Obs.]
      [1913 Webster]

   7. The entrails of a fowl, especially of game, as the
      woodcock, and the like; -- applied also, sometimes, to the
      entrails of sheep.
      [1913 Webster]

            The woodcock is a favorite with epicures, and served
            with its trail in, is a delicious dish. --Baird.
      [1913 Webster]

   8. (Mil.) That part of the stock of a gun carriage which
      rests on the ground when the piece is unlimbered. See
      Illust. of Gun carriage, under Gun.
      [1913 Webster]

   9. The act of taking advantage of the ignorance of a person;
      an imposition. [Prov. Eng.]
      [1913 Webster]

   Trail boards (Shipbuilding), the carved boards on both
      sides of the cutwater near the figurehead.

   Trail net, a net that is trailed or drawn behind a boat.
      --Wright.
      [1913 Webster]