Definition of: gridiron

(grid′ī′ərn) noun
1. A grated utensil for broiling.
2. Any object resembling or likened to a gridiron, as a football field prepared for the game, or a network of pipe lines, railroad tracks, or the like.
3. The framework above a theater stage supporting the pulleys that raise and lower scenery; a storage space for scenery. [ME gredire, var. of gredile <AF grédil GRIDDLE; infl. by IRON]