Sport That Uses the Term "gridiron"

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2175, Puzzle 4 (Paris Metro).

Question is: Sport That Uses the Term "gridiron"

and the answer is: FOOTBALL

Word Meaning:

FOOTBALL — A sport played on foot in which teams attempt to get a ball into a goal or zone defended by the other team.

Definitions from Wiktionary.

Sport That Uses The Term Gridiron - Underground Worlds CodyCross Answers | CodyCross Solutions