[phan.tasm] n [ME fantasme, fr. OF, fr. L phantasma, fr. Gk, fr. phantazein to present to the mind--more at fancy] (13c) 1: a product of fantasy: as a: delusive appearance: illusion b: ghost, specter c: a figment of the imagination
2: a mental representation of a real object -- phan.tas.mal adj -- phan.tas.mic adj