chimaera

noun

A cartilaginous marine fish in the subclass Holocephali and especially the order Chimaeriformes, with a blunt snout, long tail, and a spine before the first dorsal fin

1. Alternative letter-case form of Chimera (a flame-spewing monster often represented as having two heads, one of a goat and the other of a lion; the body of a goat; and a serpent as a tail).
2. Any fantastic creature with parts from different animals.
3. Anything composed of very disparate parts.

   The car which he built himself was a real chimera: half Volkswagen and half Porsche.

4. A foolish, incongruous, or vain thought or product of the imagination.
5. A grotesque like a gargoyle, but without a spout for rainwater.
6. An organism with genetically distinct cells originating from two or more zygotes.
7. Usually chimaera: a cartilaginous marine fish in the subclass Holocephali and especially the order Chimaeriformes, with a blunt snout, long tail, and a spine before the first dorsal fin.