What is the meaning of Umpire?

An official who presides over a sports match.

The official who presides over a tennis match sat on a high chair.

One of the two white-coated officials who preside over a cricket match.

One of the officials who preside over a baseball game.

The official who stands behind the line on the defensive side or next to the referee on the offensive side.

A match official on the ground deciding and enforcing the rules during play. There may be up to four umpires depending on the league. The other officials, the goal umpires and boundary umpires, are usually referred to by those phrases.

The official who presides over a curling game.

A person who arbitrates between contending parties.

To act as an umpire in a game.

To decide as an umpire.

umpire

Source: wiktionary.org