Definition of chimeras:
(n) :
(mythology, art) Any fantastic creature combining parts from different animals.
(n) :
(figurative) A foolish, incongruous, or vain thought or product of the imagination.
(n) :
(figurative) Anything composed of very disparate parts.
(n) :
(genetics) An organism with genetically distinct cells originating from two or more zygotes.
(n) :
(figurative) Synonym of bogeyman: any terrifying thing, especially as an unreal, imagined threat.
(n) :
(architecture) A grotesque like a gargoyle, but without a spout for rainwater.