Source : Webster's Revised Unabridged Dictionary (1913)

Quibbler \Quib"bler\, n.
   One who quibbles; a caviler; also, a punster.

Source : WordNet®

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