Arbitrator
Pronunciation : Ar"bi*tra`tor
Part of Speech : n.
Etymology : [L., fr. arbitrari: cf. F. arbitrateur.]
Definition : 1. A person, or one of two or more persons, chosen by parties who have a controversy, to determine their differences. See Arbitration.
2. One who has the power of deciding or prescribing without control; a ruler; a governor. Though Heaven be shut, And Heaven's high Arbitrators sit secure. Milton. Masters of their own terms and arbitrators of a peace. Addison.
Syn. -- Judge; umpire; referee; arbiter. See Judge.
Source : Webster's Unabridged Dictionary, 1913