caviler

from WordNet (r) 3.0 (2006)

caviler
    n 1: a disputant who quibbles; someone who raises annoying petty
         objections [syn: {quibbler}, {caviller}, {caviler},
         {pettifogger}]

from The Collaborative International Dictionary of English v.0.48

Caviler \Cav"il*er\ or Caviller \Cav"il*ler\ (-[~e]r), n.
   One who cavils.
   [1913 Webster]

         Cavilers at the style of the Scriptures. --Boyle.
   [1913 Webster]

from The Devil's Dictionary (1881-1906)

CAVILER, n.  A critic of our own work.

[email protected]