Source : Webster's Revised Unabridged Dictionary (1913)

Itinerancy \I*tin"er*an*cy\, n. [See {Itinerant}.]
   1. A passing from place to place. --Dr. H. More.

   2. A discharge of official duty involving frequent change of
      residence; the custom or practice of discharging official
      duty in this way; also, a body of persons who thus
      discharge official duty.