/fan"taz euhm/ , n.
1. an apparition or specter.
2. a creation of the imagination or fancy; fantasy.
3. a mental image or representation of a real object.
4. an illusory likeness of something.
Also, fantasm .
[ 1175-1225; phantasma phántasma image, vision (akin to phantázein to bring before the mind); r. ME fantesme ]
Syn. 1. ghost, vision. See apparition. 4. hallucination, illusion.