EIDOLON Meaning of EIDOLON in English [ ʌɪ'dəʊlɒn ]■ noun ( plural ~s or eidola -lə ) literary1》 a spectre or phantom. 2》 an idealized person or thing.OriginC19: from Gk eidōlon , from eidos 'form'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004