Mo. Rev. Stat. § 256.641
256.641 Definitions.
256.641. Definitions. — As used in sections 256.641 to 256.660 , the following words mean:
(1) "Irrigation well" , any well which is used for the primary purpose of providing water for the irrigation or inundation of crops;
(2) "Qualified voter" , an owner of one acre or more of real property.
(L. 1992 S.B. 661 & 620 § 21)