The offense of engaging in sexual intercourse or other sexual activity with a person who is not one's spouse and who is under the age of consent or another age set by statute, especially if there is a considerable age difference (usually four years or more) between the offender and the victim. See also rape. 2 v. In some states, to assist or encourage a minor to commit an offense. See also contributing to the delinquency of a minor. 3 n. The arousal or encouragement of a child's destructive a...