MO Rev Stat § 566.010 (2021)
2021 Missouri Revised Statutes|Title XXXVIII - Crimes and Punishment; Peace Officers and Public Defenders|Chapter 566 - Sexual Offenses|Section 566.010 - Chapter 566 and chapter 568 definitions.

Effective - 28 Aug 2017, 3 histories   566.010. Chapter 566 and chapter 568 definitions. — As used in this chapter and chapter 568, the following terms mean:  (1) "Aggravated sexual offense", any sexual offense, in the course of which, the actor:  (a) Inflicts serious physical injury on the victim;  (b) Displays a deadly weapon or dangerous instrument in a threatening manner;  (c) Subjects the victim to sexual intercourse or deviate sexual intercourse with more than one person;  (d) Had previously been found guilty of an offense under this chapter or under section 573.200, child used in sexual performance; section 573.205, promoting sexual performance by a child; section 573.023, sexual exploitation of a minor; section 573.025, promoting child pornography in the first degree; section 573.035, promoting child pornography in the second degree; section 573.037, possession of child pornography; or section 573.040, furnishing pornographic materials to minors; or has previously been found guilty of an offense in another jurisdiction which would constitute an offense under this chapter or said sections;  (e) Commits the offense as part of an act or series of acts performed by two or more persons as part of an established or prescribed pattern of activity; or  (f) Engages in the act that constitutes the offense with a person the actor knows to be, without regard to legitimacy, the actor's:  a. Ancestor or descendant by blood or adoption;  b. Stepchild while the marriage creating that relationship exists;  c. Brother or sister of the whole or half blood; or  d. Uncle, aunt, nephew, or niece of the whole blood;  (2) "Commercial sex act", any sex act on account of which anything of value is given to or received by any person;  (3) "Deviate sexual intercourse", any act involving the genitals of one person and the hand, mouth, tongue, or anus of another person or a sexual act involving the penetration, however slight, of the penis, female genitalia, or the anus by a finger, instrument or object done for the purpose of arousing or gratifying the sexual desire of any person or for the purpose of terrorizing the victim;  (4) "Forced labor", a condition of servitude induced by means of:  (a) Any scheme, plan, or pattern of behavior intended to cause a person to believe that, if the person does not enter into or continue the servitude, such person or another person will suffer substantial bodily harm or physical restraint; or  (b) The abuse or threatened abuse of the legal process;  (5) "Sexual conduct", sexual intercourse, deviate sexual intercourse or sexual contact;  (6) "Sexual contact", any touching of another person with the genitals or any touching of the genitals or anus of another person, or the breast of a female person, or such touching through the clothing, for the purpose of arousing or gratifying the sexual desire of any person or for the purpose of terrorizing the victim;  (7) "Sexual intercourse", any penetration, however slight, of the female genitalia by the penis. ­­-------- (L. 1977 S.B. 60, A.L. 1987 H.B. 341, A.L. 1991 H.B. 566, A.L. 1994 S.B. 693, A.L. 2000 S.B. 757 & 602, A.L. 2002 S.B. 969, et al., A.L. 2006 H.B. 1698, et al., A.L. 2014 S.B. 491, A.L. 2017 S.B. 34)