arbiter, arbitrator, umpire -- (someone chosen to judge and decide a disputed issue; "the critic was considered to be an arbiter of modern literature"; "the arbitrator's authority derived from the consent of the disputants"; "an umpire was appointed to settle the tax case")
Overview of verb umpire
The verb umpire has 1 sense
referee, umpire -- (be a referee or umpire in a sports competition)
(Sound)
