Final Four noun5 •(US) The four regional champions of the NCAA Division I tournament, one of whom will become the national champion. •(US) The final two rounds of the NCAA Division I tournament. •The final round of the continent-wide Euroleague club basketball competition, featuring four teams with one becoming champion. •(Philippines, informal) The semifinal round, or an appearance in it generally. •(US, informal) An appearance in the Final Four.These two teams have an amazing number of Final Fours between them. formsFinal Fours