Definition of plantain noun from the Oxford Advanced American Dictionary

     

    plantain

     noun
    noun
    NAmE//ˈplæntən//
     
    , NAmE//ˈplænteɪn//
     
     
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  1. 1[countable, uncountable] a fruit like a large banana, but less sweet, that is cooked and eaten as a vegetable
  2. 2[countable] a wild plant with small green flowers and broad flat leaves that spread out close to the ground
See the Oxford Advanced Learner's Dictionary entry: plantain