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.]
   [1913 Webster]
   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.
      [1913 Webster]

            At the end of twelve months, he walked in the palace
            of the kingdom of Babylon.            --Dan. iv. 29.
      [1913 Webster]

            When Peter was come down out of the ship, he walked
            on the water, to go to Jesus.         --Matt. xiv.
                                                  29.
      [1913 Webster]

   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.
         [1913 Webster]

   2. To move or go on the feet for exercise or amusement; to
      take one's exercise; to ramble.
      [1913 Webster]

   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.
      [1913 Webster]

            I have heard, but not believed, the spirits of the
            dead
            May walk again.                       --Shak.
      [1913 Webster]

            When was it she last walked?          --Shak.
      [1913 Webster]

   4. To be in motion; to act; to move; to wag. [Obs.] "Her
      tongue did walk in foul reproach." --Spenser.
      [1913 Webster]

            Do you think I'd walk in any plot?    --B. Jonson.
      [1913 Webster]

            I heard a pen walking in the chimney behind the
            cloth.                                --Latimer.
      [1913 Webster]

   5. To behave; to pursue a course of life; to conduct one's
      self.
      [1913 Webster]

            We walk perversely with God, and he will walk
            crookedly toward us.                  --Jer. Taylor.
      [1913 Webster]

   6. To move off; to depart. [Obs. or Colloq.]
      [1913 Webster]

            He will make their cows and garrans to walk.
                                                  --Spenser.
      [1913 Webster]

   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.
      [1913 Webster]

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]

The Collaborative International Dictionary of English v.0.48:

Walk \Walk\, n.
   1. The act of walking, or moving on the feet with a slow
      pace; advance without running or leaping.
      [1913 Webster]

   2. The act of walking for recreation or exercise; as, a
      morning walk; an evening walk.
      [1913 Webster]

   3. Manner of walking; gait; step; as, we often know a person
      at a distance by his walk.
      [1913 Webster]

   4. That in or through which one walks; place or distance
      walked over; a place for walking; a path or avenue
      prepared for foot passengers, or for taking air and
      exercise; way; road; hence, a place or region in which
      animals may graze; place of wandering; range; as, a sheep
      walk.
      [1913 Webster]

            A woody mountain . . . with goodliest trees
            Planted, with walks and bowers.       --Milton.
      [1913 Webster]

            He had walk for a hundred sheep.      --Latimer.
      [1913 Webster]

            Amid the sound of steps that beat
            The murmuring walks like rain.        --Bryant.
      [1913 Webster]

   5. A frequented track; habitual place of action; sphere; as,
      the walk of the historian.
      [1913 Webster]

            The mountains are his walks.          --Sandys.
      [1913 Webster]

            He opened a boundless walk for his imagination.
                                                  --Pope.
      [1913 Webster]

   6. Conduct; course of action; behavior.
      [1913 Webster]

   7. The route or district regularly served by a vender; as, a
      milkman's walk. [Eng.]
      [1913 Webster]

   8. In coffee, coconut, and other plantations, the space
      between them.
      [Webster 1913 Suppl.]

   9. (Sporting)
      (a) A place for keeping and training puppies.
      (b) An inclosed area of some extent to which a gamecock is
          confined to prepare him for fighting.
          [Webster 1913 Suppl.]
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Arm \Arm\, n. [AS. arm, earm; akin to OHG. aram, G., D., Dan., &
   Sw. arm, Icel. armr, Goth. arms, L. armus arm, shoulder, and
   prob. to Gr. ? joining, joint, shoulder, fr. the root ? to
   join, to fit together; cf. Slav. rame. ?. See Art,
   Article.]
   1. The limb of the human body which extends from the shoulder
      to the hand; also, the corresponding limb of a monkey.
      [1913 Webster]

   2. Anything resembling an arm; as,
      (a) The fore limb of an animal, as of a bear.
      (b) A limb, or locomotive or prehensile organ, of an
          invertebrate animal.
      (c) A branch of a tree.
      (d) A slender part of an instrument or machine, projecting
          from a trunk, axis, or fulcrum; as, the arm of a
          steelyard.
      (e) (Naut) The end of a yard; also, the part of an anchor
          which ends in the fluke.
      (f) An inlet of water from the sea.
      (g) A support for the elbow, at the side of a chair, the
          end of a sofa, etc.
          [1913 Webster]

   3. Fig.: Power; might; strength; support; as, the secular
      arm; the arm of the law.
      [1913 Webster]

            To whom is the arm of the Lord revealed? --Isa. lii.
                                                  1.
      [1913 Webster]

   Arm's end, the end of the arm; a good distance off.
      --Dryden.

   Arm's length, the length of the arm.

   Arm's reach, reach of the arm; the distance the arm can
      reach.

   To go (or walk) arm in arm, to go with the arm or hand
      of one linked in the arm of another. "When arm in armwe
      went along." --Tennyson.

   To keep at arm's length, to keep at a distance (literally
      or figuratively); not to allow to come into close contact
      or familiar intercourse.

   To work at arm's length, to work disadvantageously.
      [1913 Webster]

WordNet (r) 3.0 (2006):

walk
    n 1: the act of traveling by foot; "walking is a healthy form of
         exercise" [syn: walk, walking]
    2: (baseball) an advance to first base by a batter who receives
       four balls; "he worked the pitcher for a base on balls" [syn:
       base on balls, walk, pass]
    3: manner of walking; "he had a funny walk" [syn: walk,
       manner of walking]
    4: the act of walking somewhere; "he took a walk after lunch"
    5: a path set aside for walking; "after the blizzard he shoveled
       the front walk" [syn: walk, walkway, paseo]
    6: a slow gait of a horse in which two feet are always on the
       ground
    7: careers in general; "it happens in all walks of life" [syn:
       walk of life, walk]
    v 1: use one's feet to advance; advance by steps; "Walk, don't
         run!"; "We walked instead of driving"; "She walks with a
         slight limp"; "The patient cannot walk yet"; "Walk over to
         the cabinet" [ant: ride]
    2: accompany or escort; "I'll walk you to your car"
    3: obtain a base on balls
    4: traverse or cover by walking; "Walk the tightrope"; "Paul
       walked the streets of Damascus"; "She walks 3 miles every
       day"
    5: give a base on balls to
    6: live or behave in a specified manner; "walk in sadness"
    7: be or act in association with; "We must walk with our
       dispossessed brothers and sisters"; "Walk with God"
    8: walk at a pace; "The horses walked across the meadow"
    9: make walk; "He walks the horse up the mountain"; "Walk the
       dog twice a day"
    10: take a walk; go for a walk; walk for pleasure; "The lovers
        held hands while walking"; "We like to walk every Sunday"
        [syn: walk, take the air]

Moby Thesaurus II by Grady Ward, 1.0:

314 Moby Thesaurus words for "walk":
   Le Mans, agora, air lane, air race, airing, alameda, ambit, amble,
   ambulate, amphitheater, andante, ankle, area, arena, art,
   athletic field, auditorium, automobile race, background, bailiwick,
   bear garden, beat, beaten path, beaten track, berm, bicycle path,
   bicycle race, boardwalk, boat race, border, borderland, bowl,
   boxing ring, bridle path, bull ring, business, calling, campus,
   canvas, career, career building, careerism, catwalk, champaign,
   circle, circuit, circumambulate, circus, claudicate, claudication,
   cockpit, coliseum, colosseum, constitutional, contest of speed,
   course, craft, crawl, creep, cross-country race, cycle, dash,
   dead march, demesne, department, derby, discipline, dog race,
   dogtrot, domain, dominion, drag, drag along, drag out, drag race,
   droop, endurance race, esplanade, fastwalk, field, flight path,
   floor, flounce, foot, foot it, foot pavement, footpace, footpath,
   footrace, footway, forced march, forum, full circle, funeral march,
   gait, gallop, game, garden path, go dead slow, go slow, groove,
   ground, gym, gymnasium, hall, handicraft, heat, hemisphere, hike,
   hiking trail, hippodrome, hitch, hobble, hoof, hoof it,
   hurdle race, idle, inch, inch along, itinerary, jaunt, jaywalk,
   jog, jog on, jog trot, jog-trot, judicial circuit, jurisdiction,
   lap, laze, leg, leg it, leisurely gait, lifework, limp, line,
   line of business, line of work, lists, locale, lock step, loop,
   lumber, lumbering pace, lurch, mall, marathon, marathon race,
   march, marketplace, mat, match race, metier, milieu, mince,
   mincing steps, mission, mosey, motorcycle race, mush, mystery,
   number, obstacle race, occupation, open forum, orb, orbit, pace,
   pad, paddle, palaestra, pale, parade, parade ground, path, pathway,
   pedestrianize, perambulate, peripatetic journey, peripateticate,
   peripateticism, piaffer, pit, place, platform, plod, poke,
   poke along, potato race, practice, prado, prance, precinct,
   primrose path, prize ring, profession, promenade, province,
   public square, public walk, purlieu, pursuit, race, rack, racket,
   ramble, range, realm, regatta, relay, relay race, revolution, ring,
   road, road race, roll, round, round trip, rounds, route, run,
   runway, rut, sack race, saunter, scene, scene of action, scenery,
   schlep, scuttle, sea lane, setting, shamble, shortcut, shuffle,
   shuffle along, sidewalk, sidle, single-foot, site, slink, slither,
   slog, slouch, slow march, slow motion, slowness, specialization,
   specialty, speedway race, sphere, sprint, sprint race,
   squared circle, stadium, stage, stage set, stage setting, stagger,
   stagger along, stalk, step, stock-car race, stretch, stride,
   stroll, strolling gait, strut, stump, stump it, subdiscipline,
   swagger, swing, terrain, territory, theater, three-legged race,
   tilting ground, tiltyard, toddle, toddle along, torch race, totter,
   totter along, tour, towing path, towpath, track, track race, trade,
   trade route, trail, traipse, traject, trajectory, trajet, tramp,
   tread, troop, trot, trottoir, trudge, turn, velocity, vocation,
   waddle, walk of life, walking tour, walkway, work, worm,
   worm along, wrestling ring, yacht race



The Jargon File (version 4.4.7, 29 Dec 2003):

walk
 n.,vt.

    Traversal of a data structure, especially an array or linked-list data
    structure in core. See also codewalker, silly walk, clobber.


The Free On-line Dictionary of Computing (30 December 2018):

walk

    To Traverse a data structure, especially an
   array or linked-list in core.

   See also codewalker, silly walk, clobber.

   (2001-04-12)