umpire

US /ˈʌm.paɪr/
UK /ˈʌm.paɪr/
"umpire" picture
1.

a person who supervises a game or match to ensure fair play

:
•
The baseball umpire made a controversial call at home plate.
•
The tennis umpire announced the score.
:
refereearbiterjudge
1.

to act as an umpire in a game or match

:
•
He was asked to umpire the local cricket match.
•
It's a tough game to umpire, with so many close calls.
:
refereeofficiate