chimaera

noun
  1. a mythological creature with parts from different animals, especially a fire-breathing monster with a lion’s head, goat’s body, and serpent’s tail
  2. Usage: mythology
  3. something that is hoped for but is impossible to achieve or not real
  4. a cartilaginous fish related to sharks and rays, with a long whip-like tail
  5. Usage: zoology

Examples