Mo. Rev. Stat. § 182.825: Definitions.

As used in sections 182.825 and 182.827, the following terms mean:

(1) "Pornographic for minors" , as that term is defined in section 573.010;

(2) "Public access computer" , a computer that is:

(a) Located in an elementary or secondary public school or public library;

(b) Frequently or regularly used directly by a minor; and

(c) Connected to any computer communication system.