MISNOMER Meaning of MISNOMER in English n. 1 a name or term used wrongly. 2 the wrong use of a name or term. [ ME f. AF f. OF mesnom(m)er (as MIS-(2), nommer name f. L nominare formed as NOMINATE) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012