n. [ L. arbiter; ar- (for ad) + the root of betere to go; hence properly, one who comes up to look on. ]
☞ In modern usage, arbitrator is the technical word. [ 1913 Webster ]
For Jove is arbiter of both to man. Cowper. [ 1913 Webster ]
v. t. To act as arbiter between. [ Obs. ] [ 1913 Webster ]