Definition of giant noun from the Oxford Advanced American Dictionary

      

    giant

     noun
    noun
    NAmE//ˈdʒaɪənt//
     
     
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  1. 1(in stories) a very large, strong person who is often cruel and stupid see also giantess
  2. 2an unusually large person, animal, or plant He's a giant of a man.
  3. 3a very large and powerful organization the multinational oil giants
  4. 4a person who is very good at something literary giants
See the Oxford Advanced Learner's Dictionary entry: giant