n. [ L. arbiter; ar- (for ad) + the root of betere to go; hence properly, one who comes up to look on. ] 1. A person appointed, or chosen, by parties to determine a controversy between them. [ 1913 Webster ] ☞ In modern usage, arbitrator is the technical word. [ 1913 Webster ] 2. Any person who has the power of judging and determining, or ordaining, without control; one whose power of deciding and governing is not limited. [ 1913 Webster ] For Jove is arbiter of both to man. Cowper. [ 1913 Webster ] Syn. -- Arbitrator; umpire; director; referee; controller; ruler; governor. [ 1913 Webster ] | 
