Statutory Rape

1. (law) An illegal act of sexual intercourse by an adult with a person under the legal age of consent for sex, or with another adult who is not able to consent because of intellectual disability.

Statutory rape - Wikipedia

Usage notes

Technically, the term statutory rape is not usually used by governments or states in their laws. It is a term used to simply describe the laws against adults having sex with people younger than the government's legal age for sex or other adults who are intellectually disabled.