Definition of marginalia noun from the Oxford Advanced American Dictionary

     

    marginalia

     noun
    noun
    NAmE//ˌmɑrdʒəˈneɪliə//
     
    [plural]
     
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  1. 1notes written in the margins of a book, etc.
  2. 2facts or details that are not very important
See the Oxford Advanced Learner's Dictionary entry: marginalia