Umpire

v. enforce the rules of a game, act as a referee; judge, mediate

n. referee, one appointed to enforce the rules of a game; judge, mediator

A referee is a person who has authority to make decisions about play in many sports. Officials in some sports are known by a variety of other titles, including umpire, judge or linesman.
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Noun
1. an official at a baseball game
(synonym) ump
(hypernym) official
(derivation) referee
Verb
1. be a referee or umpire in a sports competition
(synonym) referee
(hypernym) judge
(derivation) umpirage
(classification) sport, athletics

(v. t.)
To perform the duties of umpire in or for; as, to umpire a game.
  

(v. t.)
To decide as umpire; to arbitrate; to settle, as a dispute.
  

(v. i.)
To act as umpire or arbitrator.
  

(n.)
A third person, who is to decide a controversy or question submitted to arbitrators in case of their disagreement.
  

(n.)
A person to whose sole decision a controversy or question between parties is referred; especially, one chosen to see that the rules of a game, as cricket, baseball, or the like, are strictly observed.
  

UMPIRAGE - The decision of an umpire. This word is used for the judgment of an umpire, as the word award is employed to designate that of arbitrators.

UMPIRE - A person selected by two or more arbitrators. When they are authorize to do so by the submission of the parties, and they cannot agree as to the subject-matter referred to them, whose duty it is to decide the matter in dispute. Sometimes the term is applied to a single arbitrator, selected by the parties themselves
   

This entry contains material from Bouvier's Legal Dictionary, a work published in the 1850's.