squabbler

from WordNet (r) 3.0 (2006)
squabbler
    n 1: someone who quarrels about a small matter
    
from The Collaborative International Dictionary of English v.0.48
Squabbler \Squab"bler\ (-bl[~e]r), n.
   One who squabbles; a contentious person; a brawler.
   [1913 Webster]
    

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