Pronunciation: (grid'ī"urn),[key] —n. 1. a football field.
2. a utensil consisting of parallel metal bars on which to broil meat or other food.
3. any framework or network resembling a gridiron.
4. a structure above the stage of a theater, from which hung scenery and the like are manipulated.
—v.t. to mark off into squares or design with a network of squares.