The Collaborative International Dictionary of English v.0.48:

Walk \Walk\, v. t.
   1. To pass through, over, or upon; to traverse; to
      perambulate; as, to walk the streets.
      [1913 Webster]

            As we walk our earthly round.         --Keble.
      [1913 Webster]

   2. To cause to walk; to lead, drive, or ride with a slow
      pace; as, to walk one's horses; to walk the dog. " I will
      rather trust . . . a thief to walk my ambling gelding."
      --Shak.
      [1913 Webster +PJC]

   3. [AS. wealcan to roll. See Walk to move on foot.] To
      subject, as cloth or yarn, to the fulling process; to
      full. [Obs. or Scot.]
      [1913 Webster]

   4. (Sporting) To put or keep (a puppy) in a walk; to train
      (puppies) in a walk. [Cant]
      [Webster 1913 Suppl.]

   5. To move in a manner likened to walking. [Colloq.]

            She walked a spinning wheel into the house, making
            it use first one and then the other of its own
            spindling legs to achieve progression rather than
            lifting it by main force.             --C. E.
                                                  Craddock.

   To walk one's chalks, to make off; take French leave.

   To walk the plank, to walk off the plank into the water and
      be drowned; -- an expression derived from the practice of
      pirates who extended a plank from the side of a ship, and
      compelled those whom they would drown to walk off into the
      water; figuratively, to vacate an office by compulsion.
      --Bartlett.
      [1913 Webster]