Definition of arcana noun from the Oxford Advanced Learner's Dictionary

     

    arcana

     noun
    noun
    BrE BrE//ɑːˈkeɪnə//
     
    ; NAmE NAmE//ɑːrˈkeɪnə//
     
     
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  1. 1[plural] things that are secret or mysterious
  2. 2[singular] either of the two groups of cards in a tarot pack / deck, the major arcana and the minor arcana
  3. Word Origin mid 16th cent.: from Latin, neuter plural of arcanus, from arcere ‘to shut up’, from arca ‘chest’.
See the Oxford Advanced American Dictionary entry: arcana