[formal] rugby football, [informal] rugger [noun] [U] - a sport where two teams try to score points by carrying an oval ball across a particular line or kicking it over and between an H-shaped set of postsIn Rugby League there are 13 players in each team, and in Rugby Union there are 15.
RUGBY
Meaning of RUGBY in English
Cambridge English vocab. Кембриджский английский словарь. 2012