Mo. Rev. Stat. § 251.473
251.473 Definitions.
251.473. Definitions. — As used in sections 251.470 to 251.485 , the following terms mean:
(1) "City" , any city or town in this state with a population of fifty thousand or under;
(2) "Program" , the Missouri main street program, established under the provisions of sections 251.470 to 251.485 .
(L. 1988 H.B. 1223 & 1246 § 2)