gridiron

(grĭdˈīˌərn)

1. Football
   a. The field of play.
   b. The game itself.
2. A metal structure high above the stage of a theater, from which ropes or cables are strung to scenery and lights.
3. a. A flat framework of parallel metal bars used for broiling meat or fish.
   b. An object resembling such a framework.