Definition - What does Misnomer mean?
The term "misnomer" refers to an error while naming a thing, place or a person.
It means calling a wrong name when referring to someone or something. It refers to a practice of giving the wrong name in a deed, accusation, pleading or indictment.
Justipedia explains Misnomer
Cases of misnomers usually involve misspellings, or the use of a common, more famous name (trade name) rather than the real name.
A misnomer usually arises when a party is called by a different name but the party’s identity is not mistaken.