gridiron - definition and synonyms

noun 

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/ˈɡrɪdˌaɪə(r)n/
singulargridiron
pluralgridirons
  1. 1
    [countable] a frame of parallel metal bars used for cooking over a fire
  2. 2
    [countable] American a field on which American football is played
    1. a.
      [uncountable] American informal American football