Noun
One who abbreviates or shortens.
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: Webster's dictionaryShould a large letter have to be rewritten, owing to the inexact copy of the abbreviator, the abbreviator and not the receiver of the Bull must pay the extra charge for the extra labour to the apostolic writer. Source: Internet
Whatever may be the date of the institution of the office of abbreviator, it is certain that it became of greater importance and more highly privileged upon its erection into a college of prelates. Source: Internet