Mo. Rev. Stat. § 512.040
Current with changes from the 2023 Legislative Session
The party appealing shall be known as the appellant, and the adverse party as the respondent, but the title of the action shall not be changed in consequence of the appeal.
§ 512.040, RSMo
RSMo 1939 § 1185, A.L. 1943 p. 353 § 128