Source : Webster's Revised Unabridged Dictionary (1913)

Walker \Walk"er\, n.
   1. One who walks; a pedestrian.

   2. That with which one walks; a foot. [Obs.]

            Lame Mulciber, his walkers quite misgrown.
                                                  --Chapman.

   3. (Law) A forest officer appointed to walk over a certain
      space for inspection; a forester.

   4. [AS. wealcere. See {Walk}, v. t., 3.] A fuller of cloth.
      [Obs. or Prov. Eng. & Scot.]

            She cursed the weaver and the walker The cloth that
            had wrought.                          --Percy's
                                                  Reliques.

   5. (Zo["o]l.) Any ambulatorial orthopterous insect, as a
      stick insect.

Source : WordNet®

Walker
     n 1: New Zealand runner who in 1975 became the first person to
          run a mile in less that 3 minutes and 50 seconds (born
          in 1952) [syn: {John Walker}]
     2: United States writer (born in 1944) [syn: {Alice Walker}, {Alice
        Malsenior Walker}]
     3: a person who travels by foot [syn: {pedestrian}, {footer}]
     4: a shoe designed for comfortable walking
     5: a light enclosing framework (trade name Zimmer) with rubber
        castors or wheels and handles; helps invalids or the
        handicapped or the aged to walk [syn: {Zimmer}, {Zimmer
        frame}]
     6: an enclosing framework on casters or wheels; helps babies
        learn to walk [syn: {baby-walker}, {go-cart}]