The Collaborative International Dictionary of English v.0.48:

Walk \Walk\ (w[add]k), v. i. [imp. & p. p. Walked; p. pr. &
   vb. n. Walking.] [OE. walken, probably from AS. wealcan to
   roll, turn, revolve, akin to D. walken to felt hats, to work
   a hat, G. walken to full, OHG. walchan to beat, to full,
   Icel. v[=a]lka to roll, to stamp, Sw. valka to full, to roll,
   Dan. valke to full; cf. Skr. valg to spring; but cf. also AS.
   weallian to roam, ramble, G. wallen. [root]130.]
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   1. To move along on foot; to advance by steps; to go on at a
      moderate pace; specifically, of two-legged creatures, to
      proceed at a slower or faster rate, but without running,
      or lifting one foot entirely before the other touches the
      ground.
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            At the end of twelve months, he walked in the palace
            of the kingdom of Babylon.            --Dan. iv. 29.
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            When Peter was come down out of the ship, he walked
            on the water, to go to Jesus.         --Matt. xiv.
                                                  29.
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   Note: In the walk of quadrupeds, there are always two, and
         for a brief space there are three, feet on the ground
         at once, but never four.
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   2. To move or go on the feet for exercise or amusement; to
      take one's exercise; to ramble.
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   3. To be stirring; to be abroad; to go restlessly about; --
      said of things or persons expected to remain quiet, as a
      sleeping person, or the spirit of a dead person; to go
      about as a somnambulist or a specter.
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            I have heard, but not believed, the spirits of the
            dead
            May walk again.                       --Shak.
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            When was it she last walked?          --Shak.
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   4. To be in motion; to act; to move; to wag. [Obs.] "Her
      tongue did walk in foul reproach." --Spenser.
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            Do you think I'd walk in any plot?    --B. Jonson.
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            I heard a pen walking in the chimney behind the
            cloth.                                --Latimer.
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   5. To behave; to pursue a course of life; to conduct one's
      self.
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            We walk perversely with God, and he will walk
            crookedly toward us.                  --Jer. Taylor.
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   6. To move off; to depart. [Obs. or Colloq.]
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            He will make their cows and garrans to walk.
                                                  --Spenser.
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   To walk in, to go in; to enter, as into a house.

   To walk after the flesh (Script.), to indulge sensual
      appetites, and to live in sin. --Rom. viii. 1.

   To walk after the Spirit (Script.), to be guided by the
      counsels and influences of the Spirit, and by the word of
      God. --Rom. viii. 1.

   To walk by faith (Script.), to live in the firm belief of
      the gospel and its promises, and to rely on Christ for
      salvation. --2 Cor. v. 7.

   To walk in darkness (Script.), to live in ignorance, error,
      and sin. --1 John i. 6.

   To walk in the flesh (Script.), to live this natural life,
      which is subject to infirmities and calamities. --2 Cor.
      x. 3.

   To walk in the light (Script.), to live in the practice of
      religion, and to enjoy its consolations. --1 John i. 7.

   To walk over, in racing, to go over a course at a walk; --
      said of a horse when there is no other entry; hence,
      colloquially, to gain an easy victory in any contest.

   To walk through the fire (Script.), to be exercised with
      severe afflictions. --Isa. xliii. 2.

   To walk with God (Script.), to live in obedience to his
      commands, and have communion with him.
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