Chimera (noun)

1. A mythical creature with a lion"s head, a goat"s body, and a serpent"s tail.
2. An organism or tissue containing cells from more than one genetically distinct individual.
3. An unrealistic, impractical, or impossible idea or dream.

Origin:

The word "chimera" derives from the greek word "chimaira" meaning a mythical fire-breathing creature made up of parts from different animals. it is first recorded in english in the 16th century. .

Examples:

1. The chimera was a fierce creature in Greek mythology.
2. Scientists have successfully created a human-animal chimera using stem cells.
3. The idea of a world without war is a chimera.
4. A chimera of a car that runs on water and sunshine is still just a dream.
5. The painting depicts a fearsome chimera with three heads.