MEMENTO MORI Meaning of MEMENTO MORI in English [ mɪˌmɛntəʊ'mɔ:ri , -rʌɪ ]■ noun ( plural same) an object kept as a reminder that death is inevitable.OriginL., lit. 'remember (that you have) to die'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004