Source : Webster's Revised Unabridged Dictionary (1913)

Abbreviator \Ab*bre"vi*a`tor\, n. [LL.: cf. F. abbr['e]viateur.]
   1. One who abbreviates or shortens.

   2. One of a college of seventy-two officers of the papal
      court whose duty is to make a short minute of a decision
      on a petition, or reply of the pope to a letter, and
      afterwards expand the minute into official form.

Source : WordNet®

abbreviator
     n : one who shortens or abridges or condenses a written work
         [syn: {abridger}]