misnomer (mis-noh-m<<schwa>>r). A mistake in naming a person, place, or thing, esp. in a legal instrument. • In federal pleading — as well as in most states — misnomer of a party can be corrected by an amendment, which will relate back to the date of the original pleading. Fed. R. Civ. P. 15(c)(3). [Cases: Federal Civil Procedure 382; Parties 94.C.J.S. Parties § 227.]

[Blacks Law 8th]