VAR - Virtual Reality

Japanese: VAR - ブイエーアール

Video assistant referee : In soccer, a referee who reviews the game on video in addition to the referee and linesman. Also, the system. If the referee determines that a review is necessary during the video review, he/she notifies the referee by radio, and the referee reviews the scene on a monitor set up at the side of the pitch before making a decision. Video assistant referee.
[Additional information] It was first officially introduced at the 2018 Russia World Cup. There are some differences from video review in other sports, such as the timing of video review and the fact that players and coaches are not allowed to request a decision. →Video review

Bar [VAR] [value-added reseller]

Value-added reseller: A company that customizes existing software and systems, such as databases, to build dedicated systems tailored to the user's intended use and then resells them.

Source: About Shogakukan Digital Daijisen Information | Legend

Japanese:

《video assistant referee》サッカーで、主審・線審のほかに試合を映像で確認する審判員。また、その制度。映像の確認中に検証が必要と判断した場合に無線で主審に伝え、主審はピッチ脇に用意されたモニターで当該場面を見直したうえで判定を下す。ビデオアシスタントレフェリー。
[補説]2018年開催のロシアワールドカップ（W杯）本大会で初めて正式に導入された。映像での検証時機や、選手・監督からは判定を求めることが認められていないなど、他のスポーツのビデオ判定とは異なる部分がある。→ビデオ判定