Definition of world cups:
(n) :
An event or competition where competitors and/or teams from several different countries to establish a world champion.
(n) :
The trophy awarded to the winner of such an event.
(n) :
Alternative letter-case form of world cup, usually used as part of a proper noun, e.g. the Beer Pong World Cup or World Cup of Freckle Counting. [An event or competition where competitors and/or teams from several different countries to establish a world champion.]