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

     

    chimera

     noun
    (also chimaera)noun
    BrE BrE//kaɪˈmɪərə//
     
    ; NAmE NAmE//kaɪˈmɪrə//
     
     
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  1. 1 (in ancient Greek stories) a creature with a lion’s head, a goat’s body and a snake’s tail, that can breathe out fire
  2. 2(formal) an impossible idea or hope
  3. 3(biology) an organism (= a living thing) that contains a mixture of genetically different tissues
  4. Word Origin late Middle English: via Latin from Greek khimaira ‘she-goat or chimera’.
See the Oxford Advanced American Dictionary entry: chimera