[ ahr-bi-trey-ter ]
/ ˈɑr bɪˌtreɪ tər /


a person chosen to decide a dispute or settle differences, especially one formally empowered to examine the facts and decide the issue.

Origin of arbitrator

1400–50; late Middle English arbitratour < Late Latin; see arbitrate, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arbitrator

Word Origin and History for arbitrator



early 15c., from Old French arbitratour (13c.), from Latin arbitrator "a spectator, hearer, witness, judge," agent noun from past participle stem of arbitrari, from arbiter (see arbiter). The legal form of popular arbiter; in modern usage, an arbiter makes decisions of his own accord and is accountable to no one but himself; an arbitrator (early 15c.) decides issues referred to him by the parties.

Online Etymology Dictionary, © 2010 Douglas Harper