LEARNit Dictionary
assistant referee
noun
/əˌsɪstənt refəˈriː/
UK
/əˌsɪstənt refəˈriː/
US
1
the official name for a linesman(= an official who helps the referee, for example in deciding whether or where a ball has passed outside the field of play)
کمک داور
see also
video assistant referee