m]
| 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. |

phantasm phan·tasm (fān'tāz'əm)
n.
Something apparently seen but having no physical reality; an apparition.
An illusory mental image.