Source : Webster's Revised Unabridged Dictionary (1913)

Wrangler \Wran"gler\, n.
   1. An angry disputant; one who disputes with heat or
      peevishness. ``Noisy and contentious wranglers.'' --I.
      Watts.

   2. One of those who stand in the first rank of honors in the
      University of Cambridge, England. They are called,
      according to their rank, senior wrangler, second wrangler,
      third wrangler, etc. Cf. {Optime}.

Source : WordNet®

wrangler
     n 1: someone who argues noisily or angrily
     2: a cowboy who takes care of the saddle horses [syn: {horse
        wrangler}]