Chimera
Chimera , noun
[Latin chimaera a chimera (in sense 1), Greek {not transcribed} a she-goat, a chimera, from {not transcribed} he-goat; compare Icelandic qymbr a yearling ewe.]
1.
(Mythology) A monster represented as vomiting flames, and as having the head of a lion, the body of a goat, and the tail of a dragon.
Dire chimeras and enchanted isles.
2.
A vain, foolish, or incongruous fancy, or creature of the imagination; as, the chimera of an author. — Burke