Definition of gridiron noun from the Oxford Advanced Learner's Dictionary

     

    gridiron

     noun
    noun
    BrE BrE//ˈɡrɪdaɪən//
     
    ; NAmE NAmE//ˈɡrɪdaɪərn//
     
    American football
     
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  1. 1a frame made of metal bars that is used for cooking meat or fish on, over an open fire (figurative) streets laid out in a gridiron pattern
  2. 2(North American English) a field used for American football marked with a pattern of parallel lines See related entries: American football
  3. Word Origin Middle English gredire, alteration of gredile ‘griddle’ by association with iron.
See the Oxford Advanced American Dictionary entry: gridiron