Source : Webster's Revised Unabridged Dictionary (1913)

Provincialism \Pro*vin"cial*ism\, n. [Cf. F. provincialisme.]
   A word, or a manner of speaking, peculiar to a province or a
   district remote from the mother country or from the
   metropolis; a provincial characteristic; hence, narrowness;
   illiberality. --M. Arnold.

Source : WordNet®

provincialism
     n 1: a lack of sophistication
     2: a partiality for some particular place [syn: {sectionalism},
         {localism}]