The Collaborative International Dictionary of English v.0.48:

Pettifoggery \Pet"ti*fog`ger*y\, n.; pl. pettifoggeries.
   The practice or arts of a pettifogger; disreputable tricks;
   quibbles; chicanery.
   [1913 Webster]

         Quirks of law, and pettifoggeries.       --Barrow.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pettifoggery
    n 1: a quarrel about petty points [syn: bicker, bickering,
         spat, tiff, squabble, pettifoggery, fuss]