Mo. Rev. Stat. § 77.400
The term "officer", whenever used in this chapter, shall include any person holding any situation under the city government or any of its departments, with an annual salary, or for a definite term of office, other than clerical or professional staff.
(RSMo 1939 § 6891, A.L. 1990 H.B. 986)
Prior revisions: 1929 § 6745; 1919 § 8232; 1909 § 9169