definition of
phantasm

[1] #1 phantasm n. [apparition, phantom, phantasma, fantasm, specter, spectre] a ghostly appearing figure; "we were unprepared for the apparition that confronted us". wn

[2] #2 phantasm n. [apparition, phantom, phantasma, fantasm, shadow] something existing in perception only; "a ghostly apparition at midnight". wn