Definition of gridiron
- gridiron Noun An iron rack or grate used for broiling flesh and fish over coals.
- gridiron Noun Any object resembling the rack or grate.
- gridiron Noun The field on which American football is played.
- gridiron Noun A generic term for American and Canadian football, particularly when used to distinguish from other football codes especially to distinguish from soccer, rugby union, rugby league and Australian rules football.