(also chi·maera ) / kaɪˈmɪərə; NAmE -ˈmɪrə/ noun
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.
( formal ) an impossible idea or hope
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WORD ORIGIN
late Middle English : via Latin from Greek khimaira she-goat or chimera.