Answer: tournament

AnswerCrossword Clue
TOURNAMENTCruciverbal activity featured in "Wordplay"
TOURNAMENTOpen, for one
TOURNAMENTThe Masters, e.g.
TOURNAMENTSports event.
TOURNAMENTMasters' contest.
TOURNAMENTSeries of contests.
TOURNAMENTN.Y. Regional, for instance.
TOURNAMENTKnightly sport
TOURNAMENTPasadena event
TOURNAMENTWhat to call us amid explosive series of contests (10)
TOURNAMENTThe NCAA's March Madness, e.g.
TOURNAMENT.... of Champions
TOURNAMENTIt may have a number of seeds
tournament(in the Middle Ages) A sporting event in which two knights (or two groups of knights) jousted on horseback with blunted weapons, each trying to knock the other off, the winner receiving a prize
tournament(in a sport or game) A series of contests between a number of competitors, who compete for an overall prize
tournamenta series of games to determine a winner or winning team by elimination