1. An international sports competition in which the best club teams from different countries or continents compete against each other to determine a world champion
Real Madrid won the FIFA Club World Cup, which is the world club championship in football.
O Real Madrid venceu a Copa do Mundo de Clubes da FIFA, que é o campeonato mundial de clubes no futebol.
2. A tournament held to crown the supreme club team in a particular sport on a global scale
The volleyball world club championship attracts teams from Europe, Asia, and the Americas.
O campeonato mundial de clubes de voleibol atrai equipes da Europa, Ásia e Américas.