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Definition of auricle noun from the Oxford Advanced American Dictionary

     

    auricle

     noun
    noun
    NAmE//ˈɔrɪkl//
     
    (anatomy)
     
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  1. 1either of the two upper spaces in the heart used to send blood around the body synonym atrium compare ventricle
  2. 2the outer part of the ear
See the Oxford Advanced Learner's Dictionary entry: auricle