Source : Webster's Revised Unabridged Dictionary (1913)

Itinerant \I*tin"er*ant\, a. [LL. itinerans, -antis, p. pr. of
   itinerare to make a journey, fr. L. iter, itineris, a walk,
   way, journey. See {Errant}, {Issue}.]
   Passing or traveling about a country; going or preaching on a
   circuit; wandering; not settled; as, an itinerant preacher;
   an itinerant peddler.

         The king's own courts were then itinerant, being kept
         in the king's palace, and removing with his household
         in those royal progresses which he continually made.
                                                  --Blackstone.

Itinerant \I*tin"er*ant\, a.
   One who travels from place to place, particularly a preacher;
   one who is unsettled.

         Glad to turn itinerant, To stroll and teach from town
         to town.                                 --Hudibras.

Source : WordNet®

itinerant
     adj 1: traveling from place to place to work; "itinerant labor";
            "an itinerant judge"
     2: working for a short time in different places; "itinerant
        laborers"; "a road show"; "traveling salesman"; "touring
        company" [syn: {road}, {touring}, {traveling}]
     n : an itinerant laborer who works for a short time in various
         places