(kə·mir′ə, kī-) noun
1. An absurd creation of the imagination; a groundless or impracticable conception or fancy; any horrible fancy.
2. Bot. A novel or unusual plant growth caused by the grafting of tissue from two or more plants; a graft hybrid of mixed characteristics.
3. Biol. An organism incorporating cells of more than one genotype. Also chi·mae′ra. [See CHIMERA]

(kə·mir′ə, kī-)
In Greek mythology, a fire-breathing monster, part lion, part goat, and part serpent, which was killed by Bellerophon: also spelled Chimaera. [<L chimaera <Gk. chimaira she-goat]