PHANTASMA
apparition, phantom, phantasm, phantasma, fantasm, shadow
(noun) something existing in perception only; “a ghostly apparition at midnight”
apparition, phantom, phantasm, phantasma, fantasm, specter, spectre
(noun) a ghostly appearing figure; “we were unprepared for the apparition that confronted us”
Source: WordNet® 3.1
Noun
phantasma (plural phantasmata)
Alternative form of phantasm
Source: Wiktionary
Phan"tas"ma, n. Etym: [L.]
Definition: A phantasm.
Source: Webster’s Unabridged Dictionary 1913 Edition