NOM DE PLUME Meaning of NOM DE PLUME in English [ ˌnɒm də'plu:m ]■ noun ( plural noms de plume pronunciation same) a pen name.OriginC19: formed in Engl. from Fr. words, on the pattern of nom de guerre . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004