umpire

Universal Words noun, verb noun (also AmE informal ump) (in sports such as tennis and baseball) a person whose job is to watch a game and make sure that rules are not broken: The umpire's decision is final. compareREFEREE verb to act as the umpire in a game or competition: [V] We need someone to umpire. * [VN] to umpire a game of baseball / cricket