Mo. Rev. Stat. § 632.550
632.550 Definitions.
632.550. Definitions. — As used in sections 632.550 to 632.557 , the following terms mean:
(1) "Board" , the governing board established in section 632.555 ;
(2) "Child" , a person under the age of eighteen years;
(3) "Demonstration project" , the project established in section 632.553 ;
(4) "Department" , the department of mental health;
(5) "Severely emotionally disturbed child" , a child who exhibits substantial impairment in his ability to function at a developmentally appropriate level due to the presence of a serious psychiatric disorder.
(L. 1989 H.B. 502, et al. § 1)