Umpire (3)
'umpire' is the definition.
(short for referee)
This is the entire clue.
(Other definitions for ref that I've seen before include "A diminutive umpire in soccer or boxing" , "'Game judge, in short (3)'" , "Middleman needing cards" , "Football official (colloq.)" , "Football's whistler" .)
'umpire' is the definition.
(I know that umpire can be written as arbiter)
This is all the clue.
(Other definitions for arbiter that I've seen before include "Referee or judge of rarebit" , "He'll decide" , "One appointed to settle a dispute" , "One must exercise judgment" , "One has the authority to resolve disputes" .)
'umpire' is the definition.
(I know that referee is a type of umpire)
This is all the clue.
(Other definitions for referee that I've seen before include "Arbiter" , "Official who ensures fair play" , "Sports adjudicator" , "Football official" , "Sporting arbitrator" .)