gridiron
/ˈgrɪdˌaɪən/noun
1
- a frame of parallel bars or beams, typically in two sets arranged at right angles, in particular格状结构, 尤指：
1.1
- a frame of parallel metal bars used for grilling meat or fish over an open fire（在明火上烤肉或鱼用的）烤架。
1.2
- a frame of parallel beams for supporting a ship in dock（船坞里支撑船舶用的）格子船台, 樑架。
1.3
- (in the theatre) a framework over a stage supporting scenery and lighting（剧院中舞台上方布景和灯光的）梁格支架。
2
- a field for American football, marked with regularly spaced parallel lines橄榄球球场。
2.1
- mass noun N. Amer. the game of American football〈北美〉橄榄球运动：
as modifier the national gridiron season.全国橄榄球赛季。
词源
Middle English gredire, alteration of gredile 'griddle' by association with IRON.