gridiron

詳細解釋：

grid.i.ron

n.（名詞）
Football
【橄欖球】
The field of play.
球場：橄欖球球場
The game itself.
球賽：橄欖球比賽
A metal structure high above the stage of a theater, from which ropes or cables are strung to scenery and lights.
布景格架：劇院舞台上方用來掛布景和燈具的金屬結構

A flat framework of parallel metal bars used for broiling meat or fish.
烤架：用平行的金屬條構成的用來烤魚或肉的平面構架
An object resembling such a framework.
格狀物：類似於這種構架的物體

來源：
Middle English gridirne
中古英文 gridirne
alteration influenced by iren, irne [iron] * see iron
受 iren的影響, irne [鐵] *參見 iron
of gridere
gridere的變化
alteration of gridel * see griddle
gridel的變化 *參見 griddle