[n] a grotesque product of the imagination [n] (Greek mythology) fire-breathing she-monster with a lion's head and a goat's body and a serpent's tail; daughter of Typhon
Chimaera, chimaera
airy hope, airy nothing, apparition, autism, brainchild, bubble, daydream, deception, delirium, deluded belief, delusion, dereism, dream, dream vision, dreamland, dreamworld, eidolon, false belief, fancy, fantasque, fantasy, fiction, figment, golden dream