chi·me·ra
/kīˈmirə,kəˈmirə/
noun: chimera; plural noun: chimeras; noun: chimaera; plural noun: chimaeras
1.
(in Greek mythology) a fire-breathing female monster with a lion's head, a goat's body, and a serpent's tail
2.
a thing that is hoped or wished for but in fact is illusory or impossible to achieve.