Soccer's Biggest Tournament

This page is the CodyCross answer for the clue below from Pet Shop, Group 354, Puzzle 1 (Thermal Bowl).

Question is: Soccer's Biggest Tournament

and the answer is: WORLDCUP

Word Meaning:

WORLD CUP — Alternative letter-case form of World Cup, an international tournament establishing a world champion; the trophy awarded to the winner.

Definitions from Wiktionary.