What is Gridiron?
Gridiron definition and meaning on Dictionary terms:
a football field.
a utensil consisting of parallel metal bars on which to broil meat or other food.
any framework or network resembling a gridiron.
a structure above the stage of a theater, from which hung scenery and the like are manipulated.
verb (used with object)
to mark off into squares or design with a network of squares.