0 abbreviation for Video Assistant Referee: an official who helps the main referee (= the person in charge of a sports game) to make decisions during a game using film recorded at the game:
1 abbreviation for value-added reseller
The VAR will inform the referee in cases of mistaken identity, to prevent the wrong player being cautioned or sent off.
A VAR checks and reviews the incident and gives immediate feedback via a headset.
This was the first time VARs were used at a major tournament.
If the VAR believes there has been a potential clear error, he or she will contact the referee.