Source : Webster's Revised Unabridged Dictionary (1913)

Peripatetic \Per`i*pa*tet"ic\, a. [L. peripateticus, Gr. ?, fr.
   ? to walk about; ? about + ? to walk: cf. F.
   p['e]ripat['e]tique.]
   1. Walking about; itinerant.

   2. Of or pertaining to the philosophy taught by Aristotle
      (who gave his instructions while walking in the Lyceum at
      Athens), or to his followers. ``The true peripatetic
      school.'' --Howell.

Peripatetic \Per`i*pa*tet"ic\, n.
   1. One who walks about; a pedestrian; an itinerant. --Tatler.

   2. A disciple of Aristotle; an Aristotelian.

Source : WordNet®

peripatetic
     adj : traveling especially on foot; "peripatetic country
           preachers"; "a poor wayfaring stranger" [syn: {wayfaring}]
     n 1: a person who walks from place to place
     2: a follower of Aristotle or an adherent of Aristotelianism
        [syn: {Aristotelian}, {Aristotelean}]