tournaments is a form of:

Tournament



noun
1.
(A series of contests, in the Middle Ages, a contest with blunt weapons by knights on horseback) ការប្រកួត (កីឡាផ្សេងៗ)
Example: A tennis tournament; chess tournament.
ENGLISH MEANING
noun
1.
A mock fight, or warlike game, formerly in great favor, in which a number of combatants were engaged, as an exhibition of their address and bravery; hence, figuratively, a real battle.
2.
Any contest of skill in which there are many contestents for championship; as, a chess tournament.