Definition of "sexual relationship" []

• A relationship involving sexual intimacy (noun)

WordNet. Princeton University. 2010.

• "One of the most famous cases of a teacher-student sexual relationship is that of Mary Kay Letourneau, who, unlike Diehl-Moore, served seven years in prison for the statutory rape—or “child rape” as it is called in Washington—of a thirteen-year-old boy at the school where she taught."