Definition of hash noun from the Oxford Advanced American Dictionary

     

    hash

     noun
    noun
    NAmE//hæʃ//
     
     
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  1. 1[uncountable, countable] a hot dish of cooked meat and potatoes that are cut into small pieces and mixed together corned beef hash
  2. 2 [uncountable] (informal) = hashish
  3. Idioms
    make a hash of something(informal)
     
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    to do something badly I made a real hash of the interview.
See the Oxford Advanced Learner's Dictionary entry: hash