Definition of "umpire" []

• Sports A person appointed to rule on plays, especially in baseball. (noun)
• A person appointed to settle a dispute that mediators have been unable to resolve; an arbitrator. See Synonyms at judge. (noun)
• To act as referee for; rule or judge. (verb-transitive)
• To be or act as a referee or an arbitrator. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Careless says: devoman: Alan, The first umpire believes he can call an objective reality; the second umpire is aware that perception is involved."
• "The first umpire believes he can call an objective reality; the second umpire is aware that perception is involved."
• "McKay said he thinks the decision to reposition the umpire from the defensive side of the ball to the offensive backfield, a move made for safety reasons, has not affected the mechanics of play during games."