| 1. | a shifting series of phantasms, illusions, or deceptive appearances, as in a dream or as created by the imagination. |
| 2. | a changing scene made up of many elements. |
| 3. | an optical illusion produced by a magic lantern or the like in which figures increase or diminish in size, pass into each other, dissolve, etc. |

, phan⋅tas⋅ma⋅gor⋅i⋅cal, phan⋅tas⋅ma⋅go⋅ri⋅an, adjective phantasmagoria phan·tas·ma·go·ri·a (fān-tāz'mə-gôr'ē-ə) or phan·tas·ma·go·ry (fān-tāz'mə-gôr'ē)
n. phan·tas·ma·go·ri·as or phan·tas·ma·go·ries
A fantastic sequence of haphazardly associative imagery, as seen in dreams or fever.