The phrase "tournament teams" refers to sports teams that are participating in a competition or tournament. These teams compete against each other to win the tournament and are usually skilled and well-prepared. Full definition
What is so inherently difficult about finding a group of unbiased, intelligent people who can determine the at - large tournament teams without computer assistance? (si.com)
It was a good week for most tournament teams. (si.com)
Well earned, with all two of those wins over tournament teams this season. (diehardsport.com)